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BFS

Problems with tag BFS

73 found, showing 1 to 30

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Alien Dictionary ->

Hard, #269, 3 solutions

All Ancestors of a Node in a Directed Acyclic Graph ->

Medium, #2192, 2 solutions

Amount of Time for Binary Tree to Be Infected ->

Medium, #2385, 2 solutions

Binary Tree Level Order Traversal II ->

Medium, #107, 4 solutions

Binary Tree Level Order Traversal ->

Medium, #102, 6 solutions

Binary Tree Vertical Order Traversal ->

Medium, #314, 2 solutions

Binary Tree Zigzag Level Order Traversal ->

Medium, #103, 5 solutions

Check Completeness of a Binary Tree ->

Medium, #958, 3 solutions

Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree ->

Medium, #1430, 2 solutions

Clone Graph ->

Medium, #133, 4 solutions

Closest Node to Path in Tree ->

Hard, #2277, 2 solutions

Collect Coins in a Tree ->

Hard, #2603, 2 solutions

Correct a Binary Tree ->

Medium, #1660, 2 solutions

Count Pairs of Connectable Servers in a Weighted Tree Network ->

Medium, #3067, 2 solutions

Count the Number of Complete Components ->

Medium, #2685, 2 solutions

Count Unreachable Pairs of Nodes in an Undirected Graph ->

Medium, #2316, 2 solutions

Cousins in Binary Tree II ->

Medium, #2641, 2 solutions

Create Components With Same Value ->

Hard, #2440, 2 solutions

Detect Cycles in 2D Grid ->

Medium, #1559, 2 solutions

Detonate the Maximum Bombs ->

Medium, #2101, 2 solutions

Distance to a Cycle in Undirected Graph ->

Hard, #2204, 2 solutions

Divide Nodes Into the Maximum Number of Groups ->

Hard, #2493, 2 solutions

Employee Importance ->

Medium, #690, 2 solutions

Escape the Spreading Fire ->

Hard, #2258, 2 solutions

Evaluate Division ->

Medium, #399, 3 solutions

Find All People With Secret ->

Hard, #2092, 2 solutions

Find Bottom Left Tree Value ->

Medium, #513, 3 solutions

Find if Path Exists in Graph ->

Easy, #1971, 2 solutions

Find the Connected Component in the Undirected Graph ->

Medium, #431, 1 solutions

Find the K-Sum of an Array ->

Hard, #2386, 2 solutions