摘要:
https://www.acwing.com/activity/content/competition/problem_list/2714/ ###4785. 奇偶 题目大意: 给定一个字符串,问我们去重后单词数是奇是偶? 输入样例1: wjmzbmr 输出样例1: even 输入样例2: xiao 阅读全文
摘要:
###L2-001 紧急救援 #include<bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<LL,LL> PII; const LL MAXN=1e18; const LL N=2002,M=520; 阅读全文