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Re:re的都看过来!re十余次的忠告!

Posted by knightfff at 2017-03-19 10:08:50 on Problem 3278
In Reply To:re的都看过来!re十余次的忠告! Posted by:karlgeorge at 2017-02-20 18:21:32
> 每次向-1方向bfs的时候要判断大于零!小于零就不可能别搜!不然数组下标小于零re;
> 遇到n>=k的直接输出n-k!!!不然每次往后倒都有乘以2标记就算开100000000也会瞬间re!!
> re十余次的忠告!

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