I am sure there are many people like me because the first question ofCodeforces Round #728 (Div. 2)had a solution which could have been written generally the same! It would be a pleasure to tell me how to return my rating (which I was going to be an expert for the first time) fro...
Codeforces Round #628 (Div. 2) A~~D 2025-04-29 06:13:02 积分:1 Codeforces Global Round 7 C. Permutation Partitions 2025-04-29 07:05:23 积分:1 Detail.java 2025-04-29 15:12:25 积分:1 codeforces E. Tree (lca 求最小公共祖先) ...