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O H
Problems with tag
O(h)
153 found, showing 1 to 30
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Add One Row to Tree
->
Medium,
#623,
3 solutions
All Elements in Two Binary Search Trees
->
Medium,
#1305,
2 solutions
Amount of Time for Binary Tree to Be Infected
->
Medium,
#2385,
2 solutions
Average of Levels in Binary Tree
->
Easy,
#637,
3 solutions
Balance a Binary Search Tree
->
Medium,
#1382,
2 solutions
Balanced Binary Tree
->
Easy,
#110,
4 solutions
Binary Search Tree Iterator II
->
Medium,
#1586,
2 solutions
Binary Search Tree Iterator
->
Medium,
#173,
7 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 Longest Consecutive Sequence II
->
Medium,
#549,
3 solutions
Binary Tree Longest Consecutive Sequence
->
Medium,
#298,
2 solutions
Binary Tree Maximum Path Sum
->
Hard,
#124,
6 solutions
Binary Tree Path Sum
->
Easy,
#376,
1 solutions
Binary Tree Paths
->
Easy,
#257,
5 solutions
Binary Tree Pruning
->
Medium,
#814,
2 solutions
Binary Tree Right Side View
->
Medium,
#199,
3 solutions
Binary Tree Serialization
->
Medium,
#7,
1 solutions
Boundary of Binary Tree
->
Medium,
#545,
3 solutions
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree
->
Medium,
#1430,
2 solutions
Clone Binary Tree With Random Pointer
->
Medium,
#1485,
2 solutions
Clone Binary Tree
->
Easy,
#375,
1 solutions
Clone N-ary Tree
->
Medium,
#1490,
2 solutions
Closest Binary Search Tree Value II
->
Hard,
#272,
2 solutions
Closest Binary Search Tree Value
->
Easy,
#270,
3 solutions
Compact Object
->
Medium,
#2705,
1 solutions
Construct Binary Search Tree from Preorder Traversal
->
Medium,
#1008,
2 solutions
Construct Binary Tree from Preorder and Postorder Traversal
->
Medium,
#889,
2 solutions
Change the Root of a Binary Tree
->
Medium,
#1666,
2 solutions