{"componentChunkName":"component---src-templates-blog-post-js","path":"/Algorithm/BOJ-10845-Python/","result":{"data":{"site":{"siteMetadata":{"title":"hyesungoh","author":"hyesungoh","siteUrl":"https://www.hyesungoh.xyz","comment":{"disqusShortName":"","utterances":"hyesungoh/blog"},"sponsor":{"buyMeACoffeeId":""}}},"markdownRemark":{"id":"724effaf-2dc0-5c59-a180-707086b24331","excerpt":"큐를 구현하는 문제이다. 스택과 마찬가지로 클래스를 이용하여 구현하였다. 백준 풀이상 시간초과 오류로 인해 sys.stdin.readline을 사용하였다.","html":"<p>큐를 구현하는 문제이다. 스택과 마찬가지로 클래스를 이용하여 구현하였다. 백준 풀이상 시간초과 오류로 인해 sys.stdin.readline을 사용하였다.</p>\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 builtin\">input</span><span class=\"token operator\">=</span>sys<span class=\"token punctuation\">.</span>stdin<span class=\"token punctuation\">.</span>readline\n\n<span class=\"token keyword\">class</span> <span class=\"token class-name\">Queue</span><span class=\"token punctuation\">:</span>\n    <span class=\"token keyword\">def</span> <span class=\"token function\">__init__</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">=</span> <span class=\"token number\">0</span>\n        self<span class=\"token punctuation\">.</span><span class=\"token builtin\">list</span> <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\">push</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">,</span> n<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">+=</span> <span class=\"token number\">1</span>\n        self<span class=\"token punctuation\">.</span><span class=\"token builtin\">list</span><span class=\"token punctuation\">.</span>append<span class=\"token punctuation\">(</span>n<span class=\"token punctuation\">)</span>\n\n    <span class=\"token keyword\">def</span> <span class=\"token function\">pop</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">if</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">></span> <span class=\"token number\">0</span><span class=\"token punctuation\">:</span>\n            self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">-=</span> <span class=\"token number\">1</span>\n            <span class=\"token keyword\">return</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">list</span><span class=\"token punctuation\">.</span>pop<span class=\"token punctuation\">(</span><span class=\"token number\">0</span><span class=\"token punctuation\">)</span>\n        <span class=\"token keyword\">else</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">return</span> <span class=\"token operator\">-</span><span class=\"token number\">1</span>\n\n    <span class=\"token keyword\">def</span> <span class=\"token function\">size</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">return</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span>\n\n    <span class=\"token keyword\">def</span> <span class=\"token function\">empty</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">return</span> <span class=\"token number\">1</span> <span class=\"token keyword\">if</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span> <span class=\"token keyword\">else</span> <span class=\"token number\">0</span>\n\n    <span class=\"token keyword\">def</span> <span class=\"token function\">front</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">return</span> <span class=\"token operator\">-</span><span class=\"token number\">1</span> <span class=\"token keyword\">if</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span> <span class=\"token keyword\">else</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">list</span><span class=\"token punctuation\">[</span><span class=\"token number\">0</span><span class=\"token punctuation\">]</span>\n\n    <span class=\"token keyword\">def</span> <span class=\"token function\">back</span><span class=\"token punctuation\">(</span>self<span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n        <span class=\"token keyword\">return</span> <span class=\"token operator\">-</span><span class=\"token number\">1</span> <span class=\"token keyword\">if</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span> <span class=\"token operator\">==</span> <span class=\"token number\">0</span> <span class=\"token keyword\">else</span> self<span class=\"token punctuation\">.</span><span class=\"token builtin\">list</span><span class=\"token punctuation\">[</span>self<span class=\"token punctuation\">.</span><span class=\"token builtin\">len</span><span class=\"token operator\">-</span><span class=\"token number\">1</span><span class=\"token punctuation\">]</span>\n\nq <span class=\"token operator\">=</span> Queue<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><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><span class=\"token punctuation\">)</span><span class=\"token punctuation\">:</span>\n    s <span class=\"token operator\">=</span> <span class=\"token builtin\">input</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">.</span>strip<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">if</span> <span class=\"token string\">'push'</span> <span class=\"token keyword\">in</span> s<span class=\"token punctuation\">:</span> q<span class=\"token punctuation\">.</span>push<span class=\"token punctuation\">(</span>s<span class=\"token punctuation\">.</span>split<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">[</span><span class=\"token number\">1</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">elif</span> s <span class=\"token operator\">==</span> <span class=\"token string\">'pop'</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>q<span class=\"token punctuation\">.</span>pop<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">elif</span> s <span class=\"token operator\">==</span> <span class=\"token string\">'size'</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>q<span class=\"token punctuation\">.</span>size<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">elif</span> s <span class=\"token operator\">==</span> <span class=\"token string\">'empty'</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>q<span class=\"token punctuation\">.</span>empty<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">elif</span> s <span class=\"token operator\">==</span> <span class=\"token string\">'front'</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>q<span class=\"token punctuation\">.</span>front<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">elif</span> s <span class=\"token operator\">==</span> <span class=\"token string\">'back'</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span>q<span class=\"token punctuation\">.</span>back<span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span>\n    <span class=\"token keyword\">else</span><span class=\"token punctuation\">:</span> <span class=\"token keyword\">print</span><span class=\"token punctuation\">(</span><span class=\"token string\">'none'</span><span class=\"token punctuation\">)</span></code></pre></div>","frontmatter":{"title":"BOJ-10845 - Python","date":"July 08, 2020"}}},"pageContext":{"slug":"/Algorithm/BOJ-10845-Python/","previous":{"fields":{"slug":"/Algorithm/BOJ-12090-Python/"},"frontmatter":{"title":"BOJ-12090 - Python","category":"Algorithm","draft":false}},"next":{"fields":{"slug":"/Algorithm/BOJ-16503-Python/"},"frontmatter":{"title":"BOJ-16503 - Python","category":"Algorithm","draft":false}}}},"staticQueryHashes":["3128451518","3290666882"]}