Single Source Shortest Path For Undirected Graph

Introduction Single source shortest path for undirected graph is basically the breadth first traversal of the graph. Here the graph we consider is unweighted and hence the shortest path would be the number of edges it takes to go from source to destination. You can find posts on the same topic for weighted graphs, and that is solved using Dijkstra's or Bellman Ford algorithms. This post is written from the competitive programming perspective. Here I want to focus on the details of simplified implementations. Problem Statement - Shortest Path for Undirected Graph Most of the times, the probl...
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