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DFS

Problems with tag DFS

125 found, showing 1 to 30

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24 Game ->

Hard, #679, 3 solutions

Add and Search Word - Data structure design ->

Medium, #211, 4 solutions

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

Array of Objects to Matrix ->

Hard, #2675, 1 solutions

Balance a Binary Search Tree ->

Medium, #1382, 2 solutions

Binary Search Tree to Greater Sum Tree ->

Medium, #1038, 2 solutions

Binary Tree Cameras ->

Hard, #968, 2 solutions

Binary Tree Coloring Game ->

Medium, #1145, 2 solutions

Binary Tree Pruning ->

Medium, #814, 2 solutions

Check for Contradictions in Equations ->

Hard, #2307, 2 solutions

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

Medium, #1430, 2 solutions

Choose Edges to Maximize Score in a Tree ->

Medium, #2378, 2 solutions

Clone Binary Tree With Random Pointer ->

Medium, #1485, 2 solutions

Clone N-ary Tree ->

Medium, #1490, 2 solutions

Closest Nodes Queries in a Binary Search Tree ->

Medium, #2476, 2 solutions

Combination Sum II ->

Medium, #40, 4 solutions

Combination Sum ->

Medium, #39, 4 solutions

Compact Object ->

Medium, #2705, 1 solutions

Construct Binary Tree from Preorder and Postorder Traversal ->

Medium, #889, 2 solutions

Convert Object to JSON String ->

Medium, #2633, 1 solutions

Count Good Nodes in Binary Tree ->

Medium, #1448, 2 solutions

Count Nodes Equal to Average of Subtree ->

Medium, #2265, 2 solutions

Count Number of Possible Root Nodes ->

Hard, #2581, 2 solutions

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

Medium, #3067, 2 solutions

Count Paths That Can Form a Palindrome in a Tree ->

Hard, #2791, 2 solutions

Count Valid Paths in a Tree ->

Hard, #2867, 2 solutions

Count Ways to Build Rooms in an Ant Colony ->

Hard, #1916, 2 solutions

Cousins in Binary Tree ->

Easy, #993, 3 solutions