摘要: 传送门 A - Beginner #include <bits/stdc++.h> #define ll long long using namespace std; int main() { //freopen("in.txt","r",stdin); int n,r; scanf("%d%d", 阅读全文
posted @ 2020-02-23 20:16 zdragon 阅读(534) 评论(3) 推荐(0) 编辑