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    "result": {"data":{"cur":{"id":"19530a95-14f5-56cb-9d24-9aff64895e84","html":"<h2 id=\"문제\" style=\"position:relative;\"><a href=\"#%EB%AC%B8%EC%A0%9C\" aria-label=\"문제 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>문제</h2>\n<p><a href=\"https://www.acmicpc.net/problem/1005\">https://www.acmicpc.net/problem/1005</a></p>\n<p>서기 2012년! 드디어 2년간 수많은 국민들을 기다리게 한 게임 ACM Craft (Association of Construction Manager Craft)가 발매되었다.</p>\n<p>이 게임은 지금까지 나온 게임들과는 다르게 ACM크래프트는 다이나믹한 게임 진행을 위해 건물을 짓는 순서가 정해져 있지 않다. 즉, 첫 번째 게임과 두 번째 게임이 건물을 짓는 순서가 다를 수도 있다. 매 게임시작 시 건물을 짓는 순서가 주어진다. 또한 모든 건물은 각각 건설을 시작하여 완성이 될 때까지 Delay가 존재한다.</p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 720px; \"\n    >\n      <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 28.333333333333332%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAGCAYAAADDl76dAAAACXBIWXMAAA7DAAAOwwHHb6hkAAAA3UlEQVQY032RQU/CQBSE+ef+AM7ExHjiiMSDF+PJEyFYIHrBejANCLRQSKHS0tK+/QzttoICc9k3O5PJm90KGkqp8hQ97xFGEbePA7ofzl7VnmP/ISqHJBdzQxzHjCY2trvk5qFP681i5rpM5y6nlvgXWFwmqVC9e8UwJ4BoNQGVZtPC86k2+phfXsZFzmxYBAbhluv7Dr33Id56lVWOdim7JGUTBFjjKbVmG9NyysCLG4qIri14ax97vuCqbvBkWPjfKzbhttQvVj4KVcVL5nh+GfA5ckr+qyv+/Ak/IOTQB0mB4W4AAAAASUVORK5CYII='); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"1005-ex.png\"\n        title=\"1005-ex.png\"\n        src=\"/static/4af36c56480b786f3dd81c8c099ebef3/37523/1005-ex.png\"\n        srcset=\"/static/4af36c56480b786f3dd81c8c099ebef3/e9ff0/1005-ex.png 180w,\n/static/4af36c56480b786f3dd81c8c099ebef3/f21e7/1005-ex.png 360w,\n/static/4af36c56480b786f3dd81c8c099ebef3/37523/1005-ex.png 720w,\n/static/4af36c56480b786f3dd81c8c099ebef3/302a4/1005-ex.png 1080w,\n/static/4af36c56480b786f3dd81c8c099ebef3/b490f/1005-ex.png 1142w\"\n        sizes=\"(max-width: 720px) 100vw, 720px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n    </span></p>\n<p>위의 예시를 보자.</p>\n<p>이번 게임에서는 다음과 같이 건설 순서 규칙이 주어졌다. 1번 건물의 건설이 완료된다면 2번과 3번의 건설을 시작할수 있다. (동시에 진행이 가능하다) 그리고 4번 건물을 짓기 위해서는 2번과 3번 건물이 모두 건설 완료되어야지만 4번건물의 건설을 시작할수 있다.</p>\n<p>따라서 4번건물의 건설을 완료하기 위해서는 우선 처음 1번 건물을 건설하는데 10초가 소요된다. 그리고 2번 건물과 3번 건물을 동시에 건설하기 시작하면 2번은 1초뒤에 건설이 완료되지만 아직 3번 건물이 완료되지 않았으므로 4번 건물을 건설할 수 없다. 3번 건물이 완성되고 나면 그때 4번 건물을 지을수 있으므로 4번 건물이 완성되기까지는 총 120초가 소요된다.</p>\n<p>프로게이머 최백준은 애인과의 데이트 비용을 마련하기 위해 서강대학교배 ACM크래프트 대회에 참가했다! 최백준은 화려한 컨트롤 실력을 가지고 있기 때문에 모든 경기에서 특정 건물만 짓는다면 무조건 게임에서 이길 수 있다. 그러나 매 게임마다 특정건물을 짓기 위한 순서가 달라지므로 최백준은 좌절하고 있었다. 백준이를 위해 특정건물을 가장 빨리 지을 때까지 걸리는 최소시간을 알아내는 프로그램을 작성해주자.</p>\n<hr>\n<h2 id=\"입력\" style=\"position:relative;\"><a href=\"#%EC%9E%85%EB%A0%A5\" aria-label=\"입력 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>입력</h2>\n<p>첫째 줄에는 테스트케이스의 개수 T가 주어진다. 각 테스트 케이스는 다음과 같이 주어진다. 첫째 줄에 건물의 개수 N과 건물간의 건설순서 규칙의 총 개수 K이 주어진다. (건물의 번호는 1번부터 N번까지 존재한다)</p>\n<p>둘째 줄에는 각 건물당 건설에 걸리는 시간 D1, D2, …, DN이 공백을 사이로 주어진다. 셋째 줄부터 K+2줄까지 건설순서 X Y가 주어진다. (이는 건물 X를 지은 다음에 건물 Y를 짓는 것이 가능하다는 의미이다)</p>\n<p>마지막 줄에는 백준이가 승리하기 위해 건설해야 할 건물의 번호 W가 주어진다.</p>\n<ul>\n<li>2 ≤ N ≤ 1000</li>\n<li>1 ≤ K ≤ 100,000</li>\n<li>1 ≤ X, Y, W ≤ N</li>\n<li>0 ≤ Di ≤ 100,000, Di는 정수</li>\n</ul>\n<hr>\n<h2 id=\"출력\" style=\"position:relative;\"><a href=\"#%EC%B6%9C%EB%A0%A5\" aria-label=\"출력 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>출력</h2>\n<p>건물 W를 건설완료 하는데 드는 최소 시간을 출력한다. 편의상 건물을 짓는 명령을 내리는 데는 시간이 소요되지 않는다고 가정한다.</p>\n<p>건설순서는 모든 건물이 건설 가능하도록 주어진다.</p>\n<hr>\n<h2 id=\"-algorithm\" style=\"position:relative;\"><a href=\"#-algorithm\" aria-label=\" algorithm permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>🔍 Algorithm</h2>\n<p><strong>위상 정렬, Dynamic Programming</strong></p>\n<h2 id=\"-logic\" style=\"position:relative;\"><a href=\"#-logic\" aria-label=\" logic permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>💻 Logic</h2>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\"><span class=\"token keyword\">def</span> <span class=\"token function\">topology_sort</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    q <span class=\"token operator\">=</span> deque<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n            q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">while</span> q<span class=\"token punctuation\">:</span>\n        num <span class=\"token operator\">=</span> q<span class=\"token punctuation\">.</span>popleft<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n        result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> time<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span>\n        <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> graph<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">:</span>\n            indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">-=</span> <span class=\"token number\">1</span>\n            result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">=</span> <span class=\"token builtin\">max</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span> result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n            <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n                q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span></code></pre></div>\n<ul>\n<li>위상 정렬 함수\n<ul>\n<li><strong>진입 차수(<code class=\"language-text\">indegree</code>)</strong> <em><strong>0</strong></em>이면 <code class=\"language-text\">deque</code>에 <strong>append</strong></li>\n<li><code class=\"language-text\">deque</code>에서 <strong>popleft</strong>하고 <code class=\"language-text\">result</code>값 변경, 연결된 간선 제거(<strong>진입차수 -1</strong>)</li>\n<li><code class=\"language-text\">result</code>값은 먼저 지어져야 하는 건물들이 동시에 지어지는 경우를 고려하기 위해<br>\n<code class=\"language-text\">result[i]</code> 와 <code class=\"language-text\">result[num]</code> 중 <strong>max</strong> 값을 <code class=\"language-text\">result[i]</code> 에 저장</li>\n</ul>\n</li>\n</ul>\n<hr>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\">T <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n<span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>T<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    N<span class=\"token punctuation\">,</span> K <span class=\"token operator\">=</span> <span class=\"token builtin\">map</span><span class=\"token punctuation\">(</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">,</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    time <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span><span class=\"token punctuation\">]</span>\n    <span class=\"token keyword\">for</span> x <span class=\"token keyword\">in</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        time<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>x<span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    graph <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">[</span><span class=\"token punctuation\">]</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    indegree <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    result <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>K<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        a<span class=\"token punctuation\">,</span> b <span class=\"token operator\">=</span> <span class=\"token builtin\">map</span><span class=\"token punctuation\">(</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">,</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n        graph<span class=\"token punctuation\">[</span>a<span class=\"token punctuation\">]</span><span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>b<span class=\"token punctuation\">)</span>\n        indegree<span class=\"token punctuation\">[</span>b<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n    W <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    topology_sort<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>W<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span></code></pre></div>\n<ul>\n<li>그래프 정보 저장 후, <code class=\"language-text\">topology_sort</code> 함수 실행</li>\n<li>테스트케이스 수 <strong>T</strong>만큼 반복</li>\n</ul>\n<hr>\n<h2 id=\"-code\" style=\"position:relative;\"><a href=\"#-code\" aria-label=\" code permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>🧩 Code</h2>\n<details><summary>전체 코드 확인</summary>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\"><span class=\"token keyword\">import</span> sys\n<span class=\"token keyword\">from</span> collections <span class=\"token keyword\">import</span> deque\n<span class=\"token keyword\">def</span> <span class=\"token function\">topology_sort</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    q <span class=\"token operator\">=</span> deque<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n            q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">while</span> q<span class=\"token punctuation\">:</span>\n        num <span class=\"token operator\">=</span> q<span class=\"token punctuation\">.</span>popleft<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n        result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> time<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span>\n        <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> graph<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">:</span>\n            indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">-=</span> <span class=\"token number\">1</span>\n            result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">=</span> <span class=\"token builtin\">max</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span> result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n            <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n                q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n        \nT <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n<span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>T<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    N<span class=\"token punctuation\">,</span> K <span class=\"token operator\">=</span> <span class=\"token builtin\">map</span><span class=\"token punctuation\">(</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">,</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    time <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span><span class=\"token punctuation\">]</span>\n    <span class=\"token keyword\">for</span> x <span class=\"token keyword\">in</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        time<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>x<span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    graph <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">[</span><span class=\"token punctuation\">]</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    indegree <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    result <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>K<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        a<span class=\"token punctuation\">,</span> b <span class=\"token operator\">=</span> <span class=\"token builtin\">map</span><span class=\"token punctuation\">(</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">,</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n        graph<span class=\"token punctuation\">[</span>a<span class=\"token punctuation\">]</span><span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>b<span class=\"token punctuation\">)</span>\n        indegree<span class=\"token punctuation\">[</span>b<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n    W <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    topology_sort<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>W<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span></code></pre></div>\n</details>\n<hr>\n<h2 id=\"-review\" style=\"position:relative;\"><a href=\"#-review\" aria-label=\" review permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>📝 Review</h2>\n<p>바로 이전에 풀었던 <a href=\"https://jfelog.netlify.app/boj-1516/\">[1516]게임 개발</a> 문제와 거의 유사한 문제.</p>\n<div class=\"table-of-contents\">\n<ul>\n<li><a href=\"#%EB%AC%B8%EC%A0%9C\">문제</a></li>\n<li><a href=\"#%EC%9E%85%EB%A0%A5\">입력</a></li>\n<li><a href=\"#%EC%B6%9C%EB%A0%A5\">출력</a></li>\n<li><a href=\"#-algorithm\">🔍 Algorithm</a></li>\n<li><a href=\"#-logic\">💻 Logic</a></li>\n<li><a href=\"#-code\">🧩 Code</a></li>\n<li><a href=\"#-review\">📝 Review</a></li>\n</ul>\n</div>","excerpt":"문제 https://www.acmicpc.net/problem/1005 서기 2012년! 드디어 2년간 수많은 국민들을 기다리게 한 게임 ACM Craft (Association of Construction Manager Craft)가 발매되었다. 이 게임은 지금까지 나온 게임들과는 다르게 ACM크래프트는 다이나믹한 게임 진행을 위해 건물을 짓는 순서가 정해져 있지 않다. 즉, 첫 번째 게임과 두 번째 게임이 건물을 짓는 순서가 다를 수도 있다. 매 게임시작 시 건물을 짓는 순서가 주어진다. 또한 모든 건물은 각각 건설을 시작하여 완성이 될 때까지 Delay가 존재한다.  위의 예시를 보자. 이번 게임에서는 다음과 같이 건설 순서 규칙이 주어졌다. 1번 건물의 건설이 완료된다면 2번과 3번의 건설을 시작할수 있다. (동시에 진행이 가능하다) 그리고 4번 건물을 짓기 위해서는 2번과 3번 건물이 모두 건설 완료되어야지만 4번건물의 건설을 시작할수 있다. 따라서 4번건물의 건설을 완료…","frontmatter":{"date":"February 10, 2022","title":"[BOJ] 1005번: ACM Craft (Python)","categories":"Algorithm","author":"JFe","emoji":"💻"},"fields":{"slug":"/boj-1005/"}},"next":{"id":"23e33ec3-d6c7-5547-ba26-c1eb589ee83b","html":"<h2 id=\"문제\" style=\"position:relative;\"><a href=\"#%EB%AC%B8%EC%A0%9C\" aria-label=\"문제 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>문제</h2>\n<p><a href=\"https://www.acmicpc.net/problem/1516\">https://www.acmicpc.net/problem/1516</a></p>\n<p>숌 회사에서 이번에 새로운 전략 시뮬레이션 게임 세준 크래프트를 개발하기로 하였다. 핵심적인 부분은 개발이 끝난 상태고, 종족별 균형과 전체 게임 시간 등을 조절하는 부분만 남아 있었다.</p>\n<p>게임 플레이에 들어가는 시간은 상황에 따라 다를 수 있기 때문에, 모든 건물을 짓는데 걸리는 최소의 시간을 이용하여 근사하기로 하였다. 물론, 어떤 건물을 짓기 위해서 다른 건물을 먼저 지어야 할 수도 있기 때문에 문제가 단순하지만은 않을 수도 있다. 예를 들면 스타크래프트에서 벙커를 짓기 위해서는 배럭을 먼저 지어야 하기 때문에, 배럭을 먼저 지은 뒤 벙커를 지어야 한다. 여러 개의 건물을 동시에 지을 수 있다.</p>\n<p>편의상 자원은 무한히 많이 가지고 있고, 건물을 짓는 명령을 내리기까지는 시간이 걸리지 않는다고 가정하자.</p>\n<hr>\n<h2 id=\"입력\" style=\"position:relative;\"><a href=\"#%EC%9E%85%EB%A0%A5\" aria-label=\"입력 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>입력</h2>\n<p>첫째 줄에 건물의 종류 수 N(1 ≤ N ≤ 500)이 주어진다. 다음 N개의 줄에는 각 건물을 짓는데 걸리는 시간과 그 건물을 짓기 위해 먼저 지어져야 하는 건물들의 번호가 주어진다. 건물의 번호는 1부터 N까지로 하고, 각 줄은 -1로 끝난다고 하자. 각 건물을 짓는데 걸리는 시간은 100,000보다 작거나 같은 자연수이다. 모든 건물을 짓는 것이 가능한 입력만 주어진다.</p>\n<hr>\n<h2 id=\"출력\" style=\"position:relative;\"><a href=\"#%EC%B6%9C%EB%A0%A5\" aria-label=\"출력 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>출력</h2>\n<p>N개의 각 건물이 완성되기까지 걸리는 최소 시간을 출력한다.</p>\n<hr>\n<h2 id=\"-algorithm\" style=\"position:relative;\"><a href=\"#-algorithm\" aria-label=\" algorithm permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>🔍 Algorithm</h2>\n<p><strong>위상 정렬, Dynamic Programming</strong></p>\n<h2 id=\"-logic\" style=\"position:relative;\"><a href=\"#-logic\" aria-label=\" logic permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>💻 Logic</h2>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\"><span class=\"token keyword\">def</span> <span class=\"token function\">topology_sort</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">global</span> result\n    q <span class=\"token operator\">=</span> deque<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n            q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">while</span> q<span class=\"token punctuation\">:</span>\n        num <span class=\"token operator\">=</span> q<span class=\"token punctuation\">.</span>popleft<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n        result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> time<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span>\n        <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> graph<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">:</span>\n            <span class=\"token comment\"># 먼저 지어져야 하는 건물들이 동시에 지어지는 경우 고려</span>\n            result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">=</span> <span class=\"token builtin\">max</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span> result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n            indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">-=</span> <span class=\"token number\">1</span>\n            <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n                q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span></code></pre></div>\n<ul>\n<li>위상 정렬 함수\n<ul>\n<li><strong>진입 차수(<code class=\"language-text\">indegree</code>)</strong> <em><strong>0</strong></em>이면 <code class=\"language-text\">deque</code>에 <strong>append</strong></li>\n<li><code class=\"language-text\">deque</code>에서 <strong>popleft</strong>하고 <code class=\"language-text\">result</code>값 변경, 연결된 간선 제거(<strong>진입차수 -1</strong>)</li>\n<li><code class=\"language-text\">result</code>값은 먼저 지어져야 하는 건물들이 동시에 지어지는 경우를 고려하기 위해<br>\n<code class=\"language-text\">result[i]</code> 와 <code class=\"language-text\">result[num]</code> 중 <strong>max</strong> 값을 <code class=\"language-text\">result[i]</code> 에 저장</li>\n</ul>\n</li>\n</ul>\n<hr>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\">N <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\ngraph <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">[</span><span class=\"token punctuation\">]</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\nindegree <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\ntime <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\nresult <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n<span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    temp <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>x<span class=\"token punctuation\">)</span> <span class=\"token keyword\">for</span> x <span class=\"token keyword\">in</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    time<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">=</span> temp<span class=\"token punctuation\">[</span><span class=\"token number\">0</span><span class=\"token punctuation\">]</span>\n    <span class=\"token keyword\">for</span> j <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> <span class=\"token builtin\">len</span><span class=\"token punctuation\">(</span>temp<span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> temp<span class=\"token punctuation\">[</span>j<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token operator\">-</span><span class=\"token number\">1</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">break</span>\n        graph<span class=\"token punctuation\">[</span>temp<span class=\"token punctuation\">[</span>j<span class=\"token punctuation\">]</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n        indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n     \ntopology_sort<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n<span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span></code></pre></div>\n<ul>\n<li>그래프 정보 저장 후, <code class=\"language-text\">topology_sort</code> 함수 실행</li>\n</ul>\n<hr>\n<h2 id=\"-code\" style=\"position:relative;\"><a href=\"#-code\" aria-label=\" code permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>🧩 Code</h2>\n<details><summary>전체 코드 확인</summary>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\"><span class=\"token keyword\">import</span> sys\n<span class=\"token keyword\">from</span> collections <span class=\"token keyword\">import</span> deque\n\n<span class=\"token keyword\">def</span> <span class=\"token function\">topology_sort</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">global</span> result\n    q <span class=\"token operator\">=</span> deque<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n            q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">while</span> q<span class=\"token punctuation\">:</span>\n        num <span class=\"token operator\">=</span> q<span class=\"token punctuation\">.</span>popleft<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n        result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> time<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span>\n        <span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> graph<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">:</span>\n            <span class=\"token comment\"># 먼저 지어져야 하는 건물들이 동시에 지어지는 경우 고려</span>\n            result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">=</span> <span class=\"token builtin\">max</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span> result<span class=\"token punctuation\">[</span>num<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n            indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">-=</span> <span class=\"token number\">1</span>\n            <span class=\"token keyword\">if</span> indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n                q<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n\nN <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\ngraph <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">[</span><span class=\"token punctuation\">]</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\nindegree <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\ntime <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\nresult <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token number\">0</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n<span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    temp <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>x<span class=\"token punctuation\">)</span> <span class=\"token keyword\">for</span> x <span class=\"token keyword\">in</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\n    time<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">=</span> temp<span class=\"token punctuation\">[</span><span class=\"token number\">0</span><span class=\"token punctuation\">]</span>\n    <span class=\"token keyword\">for</span> j <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> <span class=\"token builtin\">len</span><span class=\"token punctuation\">(</span>temp<span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> temp<span class=\"token punctuation\">[</span>j<span class=\"token punctuation\">]</span> <span class=\"token operator\">==</span> <span class=\"token operator\">-</span><span class=\"token number\">1</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">break</span>\n        graph<span class=\"token punctuation\">[</span>temp<span class=\"token punctuation\">[</span>j<span class=\"token punctuation\">]</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>i<span class=\"token punctuation\">)</span>\n        indegree<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n     \ntopology_sort<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n<span class=\"token keyword\">for</span> i <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span> N<span class=\"token operator\">+</span><span class=\"token number\">1</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span></code></pre></div>\n</details>\n<hr>\n<h2 id=\"-review\" style=\"position:relative;\"><a href=\"#-review\" aria-label=\" review permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>📝 Review</h2>\n<p>처음에는 그냥 위상정렬 문제 풀 듯이 풀면 되겠다고 생각하고 접근해서 풀었는데 <code class=\"language-text\">\"여러 개의 건물을 동시에 지을 수 있다.\"</code> 이 부분을 생각 못하고 있었다.<br>\n저 문장이 의미하는 바를 바로 파악하지 못했고, 그래서 이 부분을 처리하는데 시간이 걸렸었다.</p>\n<div class=\"table-of-contents\">\n<ul>\n<li><a href=\"#%EB%AC%B8%EC%A0%9C\">문제</a></li>\n<li><a href=\"#%EC%9E%85%EB%A0%A5\">입력</a></li>\n<li><a href=\"#%EC%B6%9C%EB%A0%A5\">출력</a></li>\n<li><a href=\"#-algorithm\">🔍 Algorithm</a></li>\n<li><a href=\"#-logic\">💻 Logic</a></li>\n<li><a href=\"#-code\">🧩 Code</a></li>\n<li><a href=\"#-review\">📝 Review</a></li>\n</ul>\n</div>","frontmatter":{"date":"February 06, 2022","title":"[BOJ] 1516번: 게임 개발 (Python)","categories":"Algorithm","author":"JFe","emoji":"💻"},"fields":{"slug":"/boj-1516/"}},"prev":{"id":"8da430fe-23f5-5a9f-af21-d8de320c2d94","html":"<h2 id=\"문제\" style=\"position:relative;\"><a href=\"#%EB%AC%B8%EC%A0%9C\" aria-label=\"문제 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>문제</h2>\n<p><a href=\"https://www.acmicpc.net/problem/17281\">https://www.acmicpc.net/problem/17281</a></p>\n<p>⚾는 9명으로 이루어진 두 팀이 공격과 수비를 번갈아 하는 게임이다. 하나의 이닝은 공격과 수비로 이루어져 있고, 총 N이닝 동안 게임을 진행해야 한다. 한 이닝에 3아웃이 발생하면 이닝이 종료되고, 두 팀이 공격과 수비를 서로 바꾼다.</p>\n<p>두 팀은 경기가 시작하기 전까지 타순(타자가 타석에 서는 순서)을 정해야 하고, 경기 중에는 타순을 변경할 수 없다. 9번 타자까지 공을 쳤는데 3아웃이 발생하지 않은 상태면 이닝은 끝나지 않고, 1번 타자가 다시 타석에 선다. 타순은 이닝이 변경되어도 순서를 유지해야 한다. 예를 들어, 2이닝에 6번 타자가 마지막 타자였다면, 3이닝은 7번 타자부터 타석에 선다.</p>\n<p>공격은 투수가 던진 공을 타석에 있는 타자가 치는 것이다. 공격 팀의 선수가 1루, 2루, 3루를 거쳐서 홈에 도착하면 1점을 득점한다. 타자가 홈에 도착하지 못하고 1루, 2루, 3루 중 하나에 머물러있을 수 있다. 루에 있는 선수를 주자라고 한다. 이닝이 시작될 때는 주자는 없다.</p>\n<p>타자가 공을 쳐서 얻을 수 있는 결과는 안타, 2루타, 3루타, 홈런, 아웃 중 하나이다. 각각이 발생했을 때, 벌어지는 일은 다음과 같다.</p>\n<ul>\n<li>안타: 타자와 모든 주자가 한 루씩 진루한다.</li>\n<li>2루타: 타자와 모든 주자가 두 루씩 진루한다.</li>\n<li>3루타: 타자와 모든 주자가 세 루씩 진루한다.</li>\n<li>홈런: 타자와 모든 주자가 홈까지 진루한다.</li>\n<li>아웃: 모든 주자는 진루하지 못하고, 공격 팀에 아웃이 하나 증가한다.</li>\n</ul>\n<p>한 야구팀의 감독 아인타는 타순을 정하려고 한다. 아인타 팀의 선수는 총 9명이 있고, 1번부터 9번까지 번호가 매겨져 있다. 아인타는 자신이 가장 좋아하는 선수인 1번 선수를 4번 타자로 미리 결정했다. 이제 다른 선수의 타순을 모두 결정해야 한다. 아인타는 각 선수가 각 이닝에서 어떤 결과를 얻는지 미리 알고 있다. 가장 많은 득점을 하는 타순을 찾고, 그 때의 득점을 구해보자.</p>\n<hr>\n<h2 id=\"입력\" style=\"position:relative;\"><a href=\"#%EC%9E%85%EB%A0%A5\" aria-label=\"입력 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>입력</h2>\n<p>첫째 줄에 이닝 수 N(2 ≤ N ≤ 50)이 주어진다. 둘째 줄부터 N개의 줄에는 각 선수가 각 이닝에서 얻는 결과가 1번 이닝부터 N번 이닝까지 순서대로 주어진다. 이닝에서 얻는 결과는 9개의 정수가 공백으로 구분되어져 있다. 각 결과가 의미하는 정수는 다음과 같다.</p>\n<ul>\n<li>안타: 1</li>\n<li>2루타: 2</li>\n<li>3루타: 3</li>\n<li>홈런: 4</li>\n<li>아웃: 0</li>\n</ul>\n<p>각 이닝에는 아웃을 기록하는 타자가 적어도 한 명 존재한다.</p>\n<hr>\n<h2 id=\"출력\" style=\"position:relative;\"><a href=\"#%EC%B6%9C%EB%A0%A5\" aria-label=\"출력 permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>출력</h2>\n<p>아인타팀이 얻을 수 있는 최대 점수를 출력한다.</p>\n<hr>\n<h2 id=\"-algorithm\" style=\"position:relative;\"><a href=\"#-algorithm\" aria-label=\" algorithm permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>🔍 Algorithm</h2>\n<p><strong>Brute Force</strong></p>\n<h2 id=\"-logic\" style=\"position:relative;\"><a href=\"#-logic\" aria-label=\" logic permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>💻 Logic</h2>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\"><span class=\"token keyword\">def</span> <span class=\"token function\">hit_result</span><span class=\"token punctuation\">(</span>batter<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">global</span> out<span class=\"token punctuation\">,</span> run<span class=\"token punctuation\">,</span> b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3\n    hit <span class=\"token operator\">=</span> inning<span class=\"token punctuation\">[</span>cur_inning<span class=\"token punctuation\">]</span><span class=\"token punctuation\">[</span>batter<span class=\"token punctuation\">]</span>\n    \n    <span class=\"token comment\"># 아웃</span>\n    <span class=\"token keyword\">if</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n        out <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">return</span>\n    <span class=\"token comment\"># 홈런</span>\n    <span class=\"token keyword\">if</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">4</span><span class=\"token punctuation\">:</span>\n        run <span class=\"token operator\">+=</span> b1 <span class=\"token operator\">+</span> b2 <span class=\"token operator\">+</span> b3 <span class=\"token operator\">+</span> <span class=\"token number\">1</span>\n        b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n        <span class=\"token keyword\">return</span>\n    <span class=\"token comment\"># 3루 주자 있는 경우</span>\n    <span class=\"token keyword\">if</span> b3 <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span>\n        b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        run <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n    <span class=\"token comment\"># 2루 주자 있는 경우</span>\n    <span class=\"token keyword\">if</span> b2 <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span>\n        b2 <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        <span class=\"token keyword\">if</span> hit <span class=\"token operator\">></span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span> run <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">else</span><span class=\"token punctuation\">:</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token comment\"># 1루 주자 있는 경우</span>\n    <span class=\"token keyword\">if</span> b1 <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span>\n        b1 <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        <span class=\"token keyword\">if</span> hit <span class=\"token operator\">></span> <span class=\"token number\">2</span><span class=\"token punctuation\">:</span> run <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">elif</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">2</span><span class=\"token punctuation\">:</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">else</span><span class=\"token punctuation\">:</span> b2 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token comment\"># 타자 주자 이동</span>\n    <span class=\"token keyword\">if</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span> b1 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token keyword\">elif</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">2</span><span class=\"token punctuation\">:</span> b2 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token keyword\">elif</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">3</span><span class=\"token punctuation\">:</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">1</span></code></pre></div>\n<ul>\n<li>타격 결과에 따라 주자 진루하는 함수\n<ul>\n<li><strong>아웃인 경우</strong><br>\n<code class=\"language-text\">out</code> 카운트 <em><strong>1</strong></em> 올려주고 <strong>return</strong></li>\n<li><strong>홈런인 경우</strong><br>\n베이스별 주자 카운트 + 1을 <code class=\"language-text\">run</code>에 더해주고,<br>\n베이스별 주자 정보 <em><strong>0</strong></em>으로 바꾸고 <strong>return</strong></li>\n<li><strong>주자 상황별 진루</strong><br>\n1루, 2루, 3루 주자 상황에 따라 다르게 계산<br>\n타자 주자도 <code class=\"language-text\">hit</code> 정보에 따라 진루</li>\n</ul>\n</li>\n</ul>\n<hr>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\">N <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\ninning <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">[</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>x<span class=\"token punctuation\">)</span> <span class=\"token keyword\">for</span> x <span class=\"token keyword\">in</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\norder_list <span class=\"token operator\">=</span> permutations<span class=\"token punctuation\">(</span><span class=\"token punctuation\">[</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span><span class=\"token number\">2</span><span class=\"token punctuation\">,</span><span class=\"token number\">3</span><span class=\"token punctuation\">,</span><span class=\"token number\">4</span><span class=\"token punctuation\">,</span><span class=\"token number\">5</span><span class=\"token punctuation\">,</span><span class=\"token number\">6</span><span class=\"token punctuation\">,</span><span class=\"token number\">7</span><span class=\"token punctuation\">,</span><span class=\"token number\">8</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span> <span class=\"token number\">8</span><span class=\"token punctuation\">)</span>\nresult <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n\n<span class=\"token keyword\">for</span> order <span class=\"token keyword\">in</span> order_list<span class=\"token punctuation\">:</span>\n    order <span class=\"token operator\">=</span> <span class=\"token builtin\">list</span><span class=\"token punctuation\">(</span>order<span class=\"token punctuation\">)</span>\n    order<span class=\"token punctuation\">.</span>insert<span class=\"token punctuation\">(</span><span class=\"token number\">3</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">)</span>\n    cur_inning<span class=\"token punctuation\">,</span> run<span class=\"token punctuation\">,</span> out <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n    b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n    <span class=\"token keyword\">while</span> cur_inning <span class=\"token operator\">&lt;</span> N<span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">for</span> batter <span class=\"token keyword\">in</span> order<span class=\"token punctuation\">:</span>\n            hit_result<span class=\"token punctuation\">(</span>batter<span class=\"token punctuation\">)</span>\n            <span class=\"token keyword\">if</span> out <span class=\"token operator\">==</span> <span class=\"token number\">3</span><span class=\"token punctuation\">:</span> \n                cur_inning <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n                out <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n                b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n            <span class=\"token keyword\">if</span> cur_inning <span class=\"token operator\">==</span> N<span class=\"token punctuation\">:</span> <span class=\"token keyword\">break</span>\n    result <span class=\"token operator\">=</span> <span class=\"token builtin\">max</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">,</span> run<span class=\"token punctuation\">)</span>\n<span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">)</span></code></pre></div>\n<ul>\n<li>순열을 이용해 가능한 순서 경우의 수를 다 만들고,</li>\n<li>가능한 경우의 수마다 득점을 구해서 <strong>max</strong> 값 출력</li>\n</ul>\n<hr>\n<h2 id=\"-code\" style=\"position:relative;\"><a href=\"#-code\" aria-label=\" code permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>🧩 Code</h2>\n<details><summary>전체 코드 확인</summary>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\"><span class=\"token keyword\">import</span> sys\n<span class=\"token keyword\">from</span> itertools <span class=\"token keyword\">import</span> permutations\n\n<span class=\"token keyword\">def</span> <span class=\"token function\">hit_result</span><span class=\"token punctuation\">(</span>batter<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">global</span> out<span class=\"token punctuation\">,</span> run<span class=\"token punctuation\">,</span> b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3\n    hit <span class=\"token operator\">=</span> inning<span class=\"token punctuation\">[</span>cur_inning<span class=\"token punctuation\">]</span><span class=\"token punctuation\">[</span>batter<span class=\"token punctuation\">]</span>\n    \n    <span class=\"token comment\"># 아웃</span>\n    <span class=\"token keyword\">if</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n        out <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">return</span>\n    <span class=\"token comment\"># 홈런</span>\n    <span class=\"token keyword\">if</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">4</span><span class=\"token punctuation\">:</span>\n        run <span class=\"token operator\">+=</span> b1 <span class=\"token operator\">+</span> b2 <span class=\"token operator\">+</span> b3 <span class=\"token operator\">+</span> <span class=\"token number\">1</span>\n        b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n        <span class=\"token keyword\">return</span>\n    <span class=\"token comment\"># 3루 주자 있는 경우</span>\n    <span class=\"token keyword\">if</span> b3 <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span>\n        b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        run <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n    <span class=\"token comment\"># 2루 주자 있는 경우</span>\n    <span class=\"token keyword\">if</span> b2 <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span>\n        b2 <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        <span class=\"token keyword\">if</span> hit <span class=\"token operator\">></span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span> run <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">else</span><span class=\"token punctuation\">:</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token comment\"># 1루 주자 있는 경우</span>\n    <span class=\"token keyword\">if</span> b1 <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span>\n        b1 <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        <span class=\"token keyword\">if</span> hit <span class=\"token operator\">></span> <span class=\"token number\">2</span><span class=\"token punctuation\">:</span> run <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">elif</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">2</span><span class=\"token punctuation\">:</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n        <span class=\"token keyword\">else</span><span class=\"token punctuation\">:</span> b2 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token comment\"># 타자 주자 이동</span>\n    <span class=\"token keyword\">if</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">1</span><span class=\"token punctuation\">:</span> b1 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token keyword\">elif</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">2</span><span class=\"token punctuation\">:</span> b2 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n    <span class=\"token keyword\">elif</span> hit <span class=\"token operator\">==</span> <span class=\"token number\">3</span><span class=\"token punctuation\">:</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">1</span>\n\nN <span class=\"token operator\">=</span> <span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\ninning <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">[</span><span class=\"token builtin\">int</span><span class=\"token punctuation\">(</span>x<span class=\"token punctuation\">)</span> <span class=\"token keyword\">for</span> x <span class=\"token keyword\">in</span> sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span> <span class=\"token keyword\">for</span> _ <span class=\"token keyword\">in</span> <span class=\"token builtin\">range</span><span class=\"token punctuation\">(</span>N<span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span>\norder_list <span class=\"token operator\">=</span> permutations<span class=\"token punctuation\">(</span><span class=\"token punctuation\">[</span><span class=\"token number\">1</span><span class=\"token punctuation\">,</span><span class=\"token number\">2</span><span class=\"token punctuation\">,</span><span class=\"token number\">3</span><span class=\"token punctuation\">,</span><span class=\"token number\">4</span><span class=\"token punctuation\">,</span><span class=\"token number\">5</span><span class=\"token punctuation\">,</span><span class=\"token number\">6</span><span class=\"token punctuation\">,</span><span class=\"token number\">7</span><span class=\"token punctuation\">,</span><span class=\"token number\">8</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span> <span class=\"token number\">8</span><span class=\"token punctuation\">)</span>\nresult <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n\n<span class=\"token keyword\">for</span> order <span class=\"token keyword\">in</span> order_list<span class=\"token punctuation\">:</span>\n    order <span class=\"token operator\">=</span> <span class=\"token builtin\">list</span><span class=\"token punctuation\">(</span>order<span class=\"token punctuation\">)</span>\n    order<span class=\"token punctuation\">.</span>insert<span class=\"token punctuation\">(</span><span class=\"token number\">3</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">)</span>\n    cur_inning<span class=\"token punctuation\">,</span> run<span class=\"token punctuation\">,</span> out <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n    b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n    <span class=\"token keyword\">while</span> cur_inning <span class=\"token operator\">&lt;</span> N<span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">for</span> batter <span class=\"token keyword\">in</span> order<span class=\"token punctuation\">:</span>\n            hit_result<span class=\"token punctuation\">(</span>batter<span class=\"token punctuation\">)</span>\n            <span class=\"token keyword\">if</span> out <span class=\"token operator\">==</span> <span class=\"token number\">3</span><span class=\"token punctuation\">:</span> \n                cur_inning <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n                out <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n                b1<span class=\"token punctuation\">,</span> b2<span class=\"token punctuation\">,</span> b3 <span class=\"token operator\">=</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span>\n            <span class=\"token keyword\">if</span> cur_inning <span class=\"token operator\">==</span> N<span class=\"token punctuation\">:</span> <span class=\"token keyword\">break</span>\n    result <span class=\"token operator\">=</span> <span class=\"token builtin\">max</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">,</span> run<span class=\"token punctuation\">)</span>\n<span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>result<span class=\"token punctuation\">)</span></code></pre></div>\n</details>\n<hr>\n<h2 id=\"-review\" style=\"position:relative;\"><a href=\"#-review\" aria-label=\" review permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>📝 Review</h2>\n<p>야구 관련 문제여서 기대하고 시작했지만 시간초과 때문에 마음에 들지않는 문제였다.</p>\n<p>순열을 사용해야 된다는 것을 알고나서 permutation을 이용해서 문제를 해결했지만, 시간초과가 발생했다.<br>\n시간초과를 줄일 방법이 생각나지 않아서 다른 사람들의 코드에서 힌트를 얻었고<br>\n리스트로 저장해두었던 base 정보를 각각 b1, b2, b3로 방식을 바꿔서 시간초과 문제를 해결했다.</p>\n<div class=\"table-of-contents\">\n<ul>\n<li><a href=\"#%EB%AC%B8%EC%A0%9C\">문제</a></li>\n<li><a href=\"#%EC%9E%85%EB%A0%A5\">입력</a></li>\n<li><a href=\"#%EC%B6%9C%EB%A0%A5\">출력</a></li>\n<li><a href=\"#-algorithm\">🔍 Algorithm</a></li>\n<li><a href=\"#-logic\">💻 Logic</a></li>\n<li><a href=\"#-code\">🧩 Code</a></li>\n<li><a href=\"#-review\">📝 Review</a></li>\n</ul>\n</div>","frontmatter":{"date":"February 22, 2022","title":"[BOJ] 17281번: ⚾ (Python)","categories":"Algorithm","author":"JFe","emoji":"💻"},"fields":{"slug":"/boj-17281/"}},"site":{"siteMetadata":{"siteUrl":"https://jfelog.netlify.app","comments":{"utterances":{"repo":"Go-Jaecheol/Jfe_Blog"}}}}},"pageContext":{"slug":"/boj-1005/","nextSlug":"/boj-1516/","prevSlug":"/boj-17281/"}},
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