这里RevolIA，_(:з」∠)_

A 简单模拟 想尽办法都没有优化到0ms /* author:revolIA submit:; */ #include<bits/stdc++.h> #pragma GCC optimize(3) using namespace std; typedef long long ll; const int maxn = 1e5+7; int n,L,A,B,opt,x,v; int main(){ scanf("%d%d%d%d",&n,&L,&amp

 A: A Count Task 时间限制: 1 Sec  内存限制: 128 MB 提交: 113  解决: 45 [提交] [状态] [讨论版] [命题人:admin] 题目描述 Count is one of WNJXYK’s favorite tasks. Recently, he had a very long string and he wondered that how man...