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想用Hash过题却一直TLE的注意一下poj上的map神慢,千万不要随便玩! hash判断的时候我一开始用map,死活过不去,然后把map删了,换一个方案,存下所有的hash值,sort后处理AC,代码只用了0.1s Followed by: Post your reply here: |
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