摘要:
AB日常划水 C题 https://codeforces.ml/contest/1325/problem/C 题目真的容易误解,特别是因为昨天写过博弈论,里面也有mex函数我就以为这个和那个意思差不多|虽然确实差不多 You are given a tree consisting of nn nod 阅读全文
摘要:
A,B日常水 C题 https://codeforces.ml/contest/1312/problem/C Suppose you are performing the following algorithm. There is an array v1,v2,…,vnv1,v2,…,vn fill 阅读全文