Jdecodes

These are few questions 1 should do while doing graphs BFS https://www.geeksforgeeks.org/problems/bfs-traversal-of-graph/1 DFS https://www.geeksforgeeks.org/problems/depth-first-traversal-for-a-graph/1 https://leetcode.com/problems/number-of-islands/description/ https://leetcode.com/problems/number-of-provinces/description/ https://www.geeksforgeeks.org/problems/detect-cycle-in-an-undirected-graph/1 In undirected graphs, need to track of parent and skip when A-B, so skip pushing parent in queue https://leetcode.com/problems/01-matrix/description/ distance from all zeros, multi source bfs, push all zeros to queue https://leetcode.com/problems/course-schedule/description/ Topological…