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  <author_name>a_kawashiro</author_name>
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  <blog_title>a_kawashiroのブログ</blog_title>
  <blog_url>https://a-kawashiro.hatenablog.com/</blog_url>
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    <anon>topcoder</anon>
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  <description>しんどい。 やることはただのBFS。でも状態をmapでメモしとかないと無限ループに落ちる。 #include &lt;string&gt; #include &lt;vector&gt; #include &lt;queue&gt; #include &lt;map&gt; using namespace std; int mv[4][2]={{-1,0},{1,0},{0,-1},{0,1}}; class PiecesMover { public: int nP; bool check(vector&lt;int&gt; pos) { vector&lt;string&gt; board(5,string(5,'.')); for(int i=0;i&lt;nP;i…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2011-04-24 22:14:34</published>
  <title>SRM425 div1 medium</title>
  <type>rich</type>
  <url>https://a-kawashiro.hatenablog.com/entry/20110424/1303650874</url>
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