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DSA Sheets
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Companies
Uber
Depth First Search
Depth First Search
0/25 solved
Number of Islands
MEDIUM
Validate Binary Search Tree
MEDIUM
Binary Tree Maximum Path Sum
HARD
Lowest Common Ancestor of a Binary Tree
MEDIUM
Symmetric Tree
EASY
Binary Tree Inorder Traversal
EASY
Maximum Depth of Binary Tree
EASY
Flatten Binary Tree to Linked List
MEDIUM
Same Tree
EASY
Balanced Binary Tree
EASY
Serialize and Deserialize Binary Tree
HARD
Path Sum
EASY
Clone Graph
MEDIUM
Evaluate Division
MEDIUM
Surrounded Regions
MEDIUM
Recover Binary Search Tree
MEDIUM
Minimum Depth of Binary Tree
EASY
Reconstruct Itinerary
HARD
Shortest Bridge
MEDIUM
Number of Closed Islands
MEDIUM
Regions Cut By Slashes
MEDIUM
Number of Nodes in the Sub-Tree With the Same Label
MEDIUM
Minesweeper
MEDIUM
Escape a Large Maze
HARD
Print Binary Tree
MEDIUM