题意:称序列 KaTeX parse error: Expected group after '_' at position 2: x_̲ 和序列 yyy 匹配\
题目描述有 n{n}n 个石子堆,第 i{i}i 个在一开始有 aia_iai个石子。每次你可以选择两堆
Description:In the last semester, Rikka joined the badminton club.There arennstudents in the badminton club, some ...
Problem Description The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj)
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
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...
FroggerFreddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is
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...
Til the Cows Come HomeBessie is out in the field and wants to get back to the barn to get as
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...
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
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
Description:
In a galaxy far, far away, there are two integer sequence a and b of length n.
题意:
一个 n∗mn*mn∗m 的网格图上的每个网格初始放有高度在 l rl~rl r 范围内的立方体