这个屌丝很懒，什么也没留下！

【LeetCode】261. Graph Valid Tree（判断图是否为树）_leetcode261以图判树 c语言

作者：小蓝xlanll | 2024-06-01 05:13:07

leetcode261以图判树 c语言

Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to check whether these edges make up a valid tree.

For example:

Given n = 5 and edges = [[0, 1], [0, 2], [0, 3], [1, 4]], return true.

Given n = 5 and edges = [[0, 1], [1, 2], [2, 3], [1, 3], [1, 4]], return false.

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