문제https://www.acmicpc.net/problem/13023 코드 import sysfrom collections import dequesys.setrecursionlimit(10**9)def Input_Data(): input = sys.stdin.readline N, M = map(int, input().strip().split()) adj = {i : [] for i in range(N)} for _ in range(M): a, b = map(int, input().strip().split()) adj[a].append(b) adj[b].append(a) return N, M, adjdef Dfs(start, depth): ..