摘要： # [Educational Codeforces Round 7](https://codeforces.com/contest/622) [TOC] ## [A - Infinite Sequence](https://codeforces.com/contest/622/problem/A) 阅读全文

摘要： # [Educational Codeforces Round 6](https://codeforces.com/contest/620) [TOC] ## [A - Professor GukiZ's Robot](https://codeforces.com/contest/620/probl 阅读全文

摘要： # [Educational Codeforces Round 23](https://codeforces.com/contest/817) [TOC] ## [A - Treasure Hunt](https://codeforces.com/contest/817/problem/A) 往四个 阅读全文

摘要： # [Educational Codeforces Round 15](https://codeforces.com/contest/702) [TOC] ## [A - Maximum Increase](https://codeforces.com/contest/702/problem/A) 阅读全文

摘要： # [Educational Codeforces Round 5](https://codeforces.com/contest/616) ![image](https://img2023.cnblogs.com/blog/2458891/202309/2458891-20230901195448 阅读全文

摘要： # [The 2022 ICPC Asia Nanjing Regional Contest](https://codeforces.com/gym/104128) [出题人题解](https://sua.ac/wiki/2022-icpc-nanjing/) [TOC] vp的不是很好，就不放出来 阅读全文

摘要： # 近段时间出现可以用multiset解决的题目 ## [AtCoder Beginner Contest 308 G Minimum Xor Pair Query](https://atcoder.jp/contests/abc308/tasks/abc308_g) 题意：有一个数组进行 $3$ 阅读全文

摘要： # [Codeforces Round 894 (Div. 3)](https://codeforces.com/contest/1862) ![image](https://img2023.cnblogs.com/blog/2458891/202308/2458891-20230827125219 阅读全文

摘要： # [2020-2021 ACM-ICPC, Asia Nanjing Regional Contest (XXI Open Cup, Grand Prix of Nanjing)](https://codeforces.com/gym/102992) [TOC] ## [K - K Co-prim 阅读全文

摘要： # namomo camp day1 [TOC] ## [B - Brexiting and Brentering](https://vjudge.net/problem/QOJ-4185) 字符串替换 ```c++ void solve() { string s; cin>>s; int n = 阅读全文