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"cf Education 62 C" 题目 C. Playlist time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You h 阅读全文
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"参考博客" "HDU 2973" 题目 Problem Description The math department has been having problems lately. Due to immense amount of unsolicited automated programs 阅读全文
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"POJ 3258,二分" 题目 Description Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to 阅读全文
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"hdu 2639" The title of this problem is familiar,isn't it?yeah,if you had took part in the "Rookie Cup" competition,you must have seem this title.If y 阅读全文
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"hdu1171" 题目 Problem Description Nowadays, we all know that Computer College is the biggest department in HDU. But, maybe you don't know that Computer 阅读全文
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牛客练习赛28 B "传送门" 题目 qn姐姐最好了~ qn姐姐给你了一个长度为n的序列还有m次操作让你玩, 1 l r 询问区间[l,r]内的元素和 2 l r 询问区间[l,r]内的 元素的平方 和 3 l r x 将区间[l,r]内的每一个元素都乘上x 4 l r x 将区 阅读全文