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E . You promised your girlfriend a rounded cake with at least SSS strawberries. But something goes wrong, you don't have the final cake but an infinit 阅读全文
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当set存的是一个结构体时，若想用 find 函数，应在结构体内部写一个函数 阅读全文
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A . After Incident, a feast is usually held in Hakurei Shrine. This time Reimu asked Kokoro to deliver a Nogaku show during the feast. To enjoy the sh 阅读全文
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B. Feeling hungry, a cute hamster decides to order some take-away food (like fried chicken for only 303030 Yuan). However, his owner CXY thinks that t 阅读全文
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题目链接 Problem StatementWe will define the median of a sequence b of length M, as follows: Let b' be the sequence obtained by sorting b in non-decreasin 阅读全文
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The Power Cube is used as a stash of Exotic Power. There are n cities numbered 1,2,…,n where allowed to trade it. The trading price of the Power Cube 阅读全文
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题目描述 你有一个N*N的棋盘，每个格子内有一个整数，初始时的时候全部为0，现在需要维护两种操作： 命令 参数限制 内容 1 x y A 1<=x,y<=N，A是正整数 将格子x,y里的数字加上A 2 x1 y1 x2 y2 1<=x1<= x2<=N 1<=y1<= y2<=N 输出x1 y1 x 阅读全文
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Description 有n朵花,每朵花有三个属性:花形(s)、颜色(c)、气味(m),用三个整数表示。 现在要对每朵花评级,一朵花的级别是它拥有的美丽能超过的花的数量。 定义一朵花A比另一朵花B要美丽,当且仅Sa>=Sb,Ca>=Cb,Ma>=Mb。 显然,两朵花可能有同样的属性。需要统计出评出每 阅读全文
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推荐博客 ： https://blog.csdn.net/wu_tongtong/article/details/78785836 https://www.cnblogs.com/mlystdcall/p/6219421.html 其实可以先引一下偏序 一维偏序 ： 给定 n 个数字，求比某一个数字 阅读全文
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B . Problem DescriptionChiaki has n strings s1,s2,…,sn consisting of '(' and ')'. A string of this type is said to be balanced:+ if it is the empty st 阅读全文