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一点感想

Posted by tzkq at 2010-01-25 01:55:52 on Problem 3277
我采用的是qsort+线段树

通过排序把问题转化成区间覆盖, 而线段树正好解决这一问题

开始采用的是动态分配内存,tle了, 后来改成静态, 300ms通过, 不过数组开到了3M, 内存用去了30M

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