Depth-first Search

About the Depth-first Search category (1)
Max Area of Island (3)
Decode String Leetcode (2)
Binary Tree Maximum Path Sum (2)
Validate Binary Search Tree (2)
Construct Binary Tree from Preorder and Inorder Traversal (3)
Populating Next Right Pointers in Each Node (2)
Flatten Binary Tree to Linked List (2)
Balanced Binary Tree (2)
Convert Sorted Array to Binary Search Tree (3)
Same Tree Leetcode (2)
Maximum Depth of Binary Tree (3)
House Robber III (1)
Freedom Trail Leetcode (1)
Flood Fill Leetcode (1)
Matchsticks to Square (1)
Leaf-Similar Trees Leetcode (1)
Zuma Game Leetcode (1)
Making A Large Island (1)
Contain Virus Leetcode (1)
Target Sum Leetcode (1)
Sum of Distances in Tree (1)
Out of Boundary Paths (1)
Remove Boxes Leetcode (1)
Construct Binary Tree from Inorder and Postorder Traversal (1)
Flatten a Multilevel Doubly Linked List (1)
24 Game Leetcode (1)
Cracking the Safe (1)
Loud and Rich (1)
Sum Root to Leaf Numbers (1)