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Find if Path Exists in Graph

Easy

Topics
GraphDFSBFSUnion Find

There is a bi-directional graph with n vertices labeled 0..n-1, described by the list of undirected edges. Return true if there is a valid path from vertex 0 to vertex n-1, and false otherwise.

Example 1

Input:  n = 3, edges = [[0,1],[1,2],[2,0]]
Output: true

Example 2

Input:  n = 6, edges = [[0,1],[0,2],[3,5],[5,4],[4,3]]
Output: false

Constraints

  • 1 <= n <= 2*10^5
  • 0 <= edges.length <= 2*10^5
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