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显然会wa

Posted by xqzxqz at 2011-08-15 09:59:50 on Problem 1469
In Reply To:为什么一直WA呢? Posted by:hell_angel at 2011-05-11 16:46:17
1 文件没关
2 最重要的是二分图连边错了
  应该是a[i,y]:=true;
  你是a[x,y]:=true;

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