摘要: A - A Substring 点击查看代码 #include <bits/stdc++.h> using i64 = long long; void solve() { int n, a, b; std::cin >> n >> a >> b; std::string s; std::cin >> 阅读全文
posted @ 2025-08-02 21:40 maburb 阅读(139) 评论(0) 推荐(0)