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哦明白`In Reply To:Re:你是怎么推的 Posted by:zhenly at 2006-09-30 13:04:52 > 大致的想法就是算出每个数作为一组中的最大数和最小数的概率，然后用最大减最小，就行了。其中有一个对称的技巧。或许还会TLE，但是我觉得不应该会WA啊。我把c那个函数省掉了，只在最后的时候通过逐项的计算达到除以c（m，n）的目的，但是还是在62ms时WA…… Followed by: Post your reply here: |
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