摘要:
A. AtCoder Language 简单字符串判断题 code #include<bits/stdc++.h> using namespace std; string s; int main(){ ios::sync_with_stdio(false);cin.tie(0); cin >> s; 阅读全文
摘要:
A. A Substring 简单模拟即可 code #include<bits/stdc++.h> using namespace std; string s; int n,a,b; int main(){ cin >> n >> a >> b; cin >> s; for(int i = a; 阅读全文