摘要:
RP测试器 代码: #include<bits/stdc++.h> using namespace std; int main() { srand(time(NULL)); printf("The RP Test Program for NOIP2020\n"); printf("Please wr 阅读全文
摘要:
CF1294F Three Paths on a Tree 洛谷传送门 题意翻译 给定一棵含 n\ (3\leq n\leq2\cdot 10^5)n (3≤n≤2⋅105) 个结点的无权树,试找出三个结点 uu、vv、ww,\operatornames.t. \operatorname({u,v\ 阅读全文