摘要: 传送门 A - Duplex Printing #include <bits/stdc++.h> #define ll long long using namespace std; int main() { //freopen("in.txt","r",stdin); int n; scanf("% 阅读全文
posted @ 2020-03-02 16:10 zdragon 阅读(541) 评论(2) 推荐(2) 编辑