BFS of Graph

Populating Next Right Pointers in Each Node

Stepping Numbers

Shortest Path in Binary Matrix

As Far from Land as Possible

Check if There is a Valid Path in a Grid

All Nodes Distance K in Binary Tree

Min Cost Path

Valid Path (Path in a Rectangle with Circles)

Nearest Exit from Entrance in Maze

Steps by Knight (Shortest Path in an Undirected Graph using BFS)

Possible Bipartition

Open the Lock

Find the smallest binary digit multiple of given number

Word Ladder

Word Ladder II

Jump Game IV

Snake and Ladder Problem (Shortest Path in an Undirected Graph using BFS)