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有的地方用int ,有的地方用long long 感觉很麻烦

Posted by abilitytao at 2010-11-10 22:01:07 on Problem 2391 and last updated at 2010-11-10 22:20:31
好恶心的题目...
 
虽然网上说可以二分边,但是如果结果为0呢?我直接二分[1,1<<60] 300+MS 貌似没有二分边好。

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