摘要: B. Lucky Mask https://codeforces.com/problemset/problem/146/B 数据很小,暴力即可 #include <bits/stdc++.h> using namespace std; int a, b; string k; bool check(i 阅读全文
posted @ 2020-12-17 17:35 IIlIlIlI 阅读(59) 评论(0) 推荐(0) 编辑