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  <blog_title>a_kawashiroのブログ</blog_title>
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  <description>頑張った。long long をintに変えるとちょっと実行時間が短くなる。 #include &lt;vector&gt; #include &lt;cstdio&gt; #include &lt;cstring&gt; using namespace std; typedef long long LL; int offset=8; int cache[17+5][(1&lt;&lt;17)]; class HexagonalBattlefield { public: int N; int field[17+5][17+5]; int DFS(int x,int y) { LL r=0; if(x==17) { int m=0; for(…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2011-04-28 21:30:35</published>
  <title>SRM449 div1 medium</title>
  <type>rich</type>
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