BFS
102. Binary Tree Level Order Traversal (BFS)103. Binary Tree Zigzag Level Order Traversal127. Word Ladder - BFS133. Clone Graph (BFS, DFS)200. Number of Islands (BFS)733. Flood Fill1765. Map of Highest Peak1926. Nearest Exit from Entrance in Maze317. Shortest Distance from All Buildings399. Evaluate Division433. Minimum Genetic Mutation542. 01 Matrix547. Number of Provinces934. Shortest Bridge994. Rotting Oranges1091. Shortest Path in Binary Matrix690. Employee Importance773. Sliding Puzzle1293. Shortest Path in a Grid with Obstacles Elimination818. Race CarDijkstra2577. Minimum Time to Visit a Cell In a Grid01 BFS2642. Design Graph With Shortest Path Calculator1514. Path with Maximum Probability (spfa, dijkstra)lintcode 1565 · Modern Ludo I (spfa, dijkstra)743. Network Delay Time (dijkstra2662. Minimum Cost of a Path With Special Roads787. Cheapest Flights Within K Stops (Dijsktra, DP490. The Maze (spfa505. The Maze II (spfa499. The Maze III (spfa, dijkstra1631. Path With Minimum Effort (dijkstra752. Open the Lock1197. Minimum Knight Moves1730. Shortest Path to Get Food305. Number of Islands II (union-find)803. Bricks Falling When Hit (backward union find)765. Couples Holding Hands841. Keys and Rooms2812. Find the Safest Path in a Grid2510. Check if There is a Path With Equal Number of 0's And 1's