[BOJ 26972] Barn Tree

https://www.acmicpc.net/problem/26972 26972번: Barn Tree Farmer John's farm has $N$ barns ($2 \leq N \leq 2\cdot 10^5$) numbered $1 \dots N$. There are $N-1$ roads, where each road connects two barns and it is possible to get from any barn to any other barn via some sequence of roads. Currently, the $j$th barn h www.acmicpc.net - 문제 요약 Farmer John의 농장에는 건초가 들어있는 N개의 헛간이 있습니다. N개의 헛간에는 1~N까지 번호가 붙..

2023.02.05