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汗,我还先用一个数组保存结果,然后用二分搜索呢...

Posted by evangel at 2007-01-16 02:53:21 on Problem 1003
结果查询的时间比运算时间还多...
为了不超时还要用1+1/2+1/3+...+1/n>ln(n)
晕了

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