{"componentChunkName":"component---src-templates-blog-post-js","path":"/Algorithm/BOJ-15652-Python/","result":{"data":{"site":{"siteMetadata":{"title":"hyesungoh","author":"hyesungoh","siteUrl":"https://www.hyesungoh.xyz","comment":{"disqusShortName":"","utterances":"hyesungoh/blog"},"sponsor":{"buyMeACoffeeId":""}}},"markdownRemark":{"id":"e712c4f8-fb53-5133-b639-8084a9b70d21","excerpt":"자연수 n, m이 입력된 후 ‘1부터 N까지 자연수 중에서 M개를 고른 수열’, ‘같은 수를 여러 번 골라도 된다’, ‘고른 수열은 비내림차순이어야 한다’. 위 세 조건을 만족시키는 수열을 모두 구하는 문제. 백트래킹 문제로써 방문 확인을 하지 않고 함수의 매개변수 index를 추가 및 판단하여 풀었다.","html":"<p>자연수 n, m이 입력된 후 ‘1부터 N까지 자연수 중에서 M개를 고른 수열’, ‘같은 수를 여러 번 골라도 된다’, ‘고른 수열은 비내림차순이어야 한다’. 위 세 조건을 만족시키는 수열을 모두 구하는 문제. 백트래킹 문제로써 방문 확인을 하지 않고 함수의 매개변수 index를 추가 및 판단하여 풀었다.</p>\n<div class=\"gatsby-highlight\" data-language=\"python\"><pre class=\"language-python\"><code class=\"language-python\">n<span class=\"token punctuation\">,</span> m <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> <span class=\"token builtin\">input</span><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>\nl <span class=\"token operator\">=</span> <span class=\"token builtin\">list</span><span class=\"token punctuation\">(</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>\nans <span class=\"token operator\">=</span> <span class=\"token punctuation\">[</span><span class=\"token punctuation\">]</span>\n\n<span class=\"token keyword\">def</span> <span class=\"token function\">bt</span><span class=\"token punctuation\">(</span>depth<span class=\"token punctuation\">,</span> index<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">if</span> depth <span class=\"token operator\">==</span> m<span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span><span class=\"token operator\">*</span>ans<span class=\"token punctuation\">)</span>\n        <span class=\"token keyword\">return</span>\n\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>n<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> l<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span> <span class=\"token operator\">>=</span> index<span class=\"token punctuation\">:</span>\n            ans<span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>l<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n            bt<span class=\"token punctuation\">(</span>depth <span class=\"token operator\">+</span> <span class=\"token number\">1</span><span class=\"token punctuation\">,</span> l<span class=\"token punctuation\">[</span>i<span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n            ans<span class=\"token punctuation\">.</span>pop<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n\nbt<span class=\"token punctuation\">(</span><span class=\"token number\">0</span><span class=\"token punctuation\">,</span> <span class=\"token number\">0</span><span class=\"token punctuation\">)</span></code></pre></div>","frontmatter":{"title":"BOJ-15652 - Python","date":"October 17, 2020"}}},"pageContext":{"slug":"/Algorithm/BOJ-15652-Python/","previous":{"fields":{"slug":"/Algorithm/BOJ-5555-Python/"},"frontmatter":{"title":"BOJ-5555 - Python","category":"Algorithm","draft":false}},"next":{"fields":{"slug":"/Algorithm/BOJ-9465-Python/"},"frontmatter":{"title":"BOJ-9465 - Python","category":"Algorithm","draft":false}}}},"staticQueryHashes":["3128451518","3290666882"]}