| Binary Tree Path Sum - Maximum Sum Leaf to Root path |
Medium
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| Binary Tree Path Sum - Maximum Sum Root to Leaf path |
Medium
|
|
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| Brick Wall |
Medium
|
adobe
bloomberg
facebook
google
oracle
|
|
| Check if Tree is Full Binary Tree |
Medium
|
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|
| Check if two binary trees are mirror images of each other |
Medium
|
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| Check if two nodes in a binary tree are siblings |
Medium
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| Closest leaf to root in a binary tree |
Medium
|
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| Construct ancestor matrix from a binary tree |
Medium
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| Construct binary tree from an ancestor matrix |
Medium
|
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| Convert binary tree to its Sum tree |
Medium
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| Convert Heap ordered Linked List to Binary Tree |
Medium
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| Delete a binary tree completely |
Medium
|
|
|
| Diameter Of a N-Ary Tree |
Medium
|
facebook
google
|
|
| Distance between two nodes in binary tree |
Medium
|
amazon
|
|
| Find distance from root to given node in binary tree |
Medium
|
|
|
| Find path from root to given node in a binary tree |
Medium
|
|
|
| Flatten Binary Search Tree to Circular Doubly Linked List |
Medium
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|
| Flatten Binary tree to double linked list in-place |
Medium
|
|
|
| Improve search in BST with sentinel |
Medium
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| Inorder predecessor and successor of a node in binary search tree |
Medium
|
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|
| Is Graph Bipartite |
Medium
|
amazon
dropbox
ebay
facebook
google
linkedin
liveramp
microsoft
uber
|
|
| Minimum Length Root to Leaf Binary Tree Path for Given Sum |
Medium
|
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| Minimum Length Root to Leaf BST Path for Given Sum |
Medium
|
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|
| Minimum Number Of Platforms For Train Station |
Medium
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| Optimal binary search tree construction for minimum search cost |
Medium
|
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| Partition Array for Maximum Sum Problem |
Medium
|
facebook
|
|
| Range Max Query |
Medium
|
|
|
| Shortest Unique Prefix |
Medium
|
google
square
|
|
| Subarray Product Less Than K |
Medium
|
akuna-capital
atlassian
coursera
expedia
google
yatra
|
|
| Target Sum |
Medium
|
facebook
google
microsoft
|
|
| The Maze 1 - Can the Ball Stop at Destination |
Medium
|
amazon
apple
facebook
google
microsoft
twitter
uber
|
|
| The Maze 2 - Shortest Distance |
Medium
|
amazon
facebook
google
netease
oracle
|
|
| Count distinct binary trees for a given number of nodes |
Medium
|
|
|
| Maximum CPU Load For Running Tasks |
Medium
|
|
|
| Replace the Substring for Balanced String |
Medium
|
accolite
|
|
| Validate Binary Tree Nodes |
Medium
|
facebook
|
|
| Find Champion II |
Medium
|
|
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| Maximum Matrix Sum |
Medium
|
|
|
| Implement circular stack |
Medium
|
|
|
| Rotating the Box |
Medium
|
|
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| Flip Columns For Maximum Number of Equal Rows |
Medium
|
|
|
| Count Unguarded Cells in the Grid |
Medium
|
|
|
| Take K of Each Character From Left and Right |
Medium
|
|
|
| Maximum Sum of Distinct Subarrays With Length K |
Medium
|
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| Find the Power of K-Size Subarrays 1 |
Medium
|
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| Shortest Subarray to be Removed to Make Array Sorted |
Medium
|
|
|
| Minimized Maximum of Products Distributed to Any Store |
Medium
|
|
|
| Count the Number of Fair Pairs |
Medium
|
|
|
| Two Best Non-Overlapping Events |
Medium
|
|
|
| Maximum Earnings From Taxi |
Medium
|
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