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Description：上次Gardon的迷宫城堡小希玩了很久（见Problem B），现在她也想设计一个迷宫让Gardon来走。但是她设计迷宫的思路不一样，首先她认为所有的.

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Description：In the last semester, Rikka joined the badminton club.There arennstudents in the badminton club, some ...

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Problem Description The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj)

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Description：给你n个点，m条无向边，每条边都有长度d和花费p，给你起点s终点t，要求输出起点到终点的最短距

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Description：A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. Each of the battleships can be marked...

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Description：

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FroggerFreddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is

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Description：The Head Elder of the tropical island of Lagrishan has a problem. A burst of feen villages some years ago. But the jungle overtakes roads re...

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Problem Description

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Til the Cows Come HomeBessie is out in the field and wants to get back to the barn to get as

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Problem Description给出一个只由小写英文字符a,b,c…y,z组成的字符串S,求S中最长回文串的长度.回文就是正反读都是一样的字符串,如aba, abba等Input输入有多组case,不超过120组,每组输入为一行小写英文字符a,b,c…y,z组成的字符串S两组case之间由空行隔开(该空行不用处理)字符串长度len <= 110000Outp...

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Problem DescriptionIgnatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统

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Problem Descriptionlily的好朋友xiaoou333最近很空，他想了一件没有什么意义的事情，就是统计一篇文章里不同单词的

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Description： In a galaxy far, far away, there are two integer sequence a and b of length n.

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E Everything Is Generated In Equal Probability

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