- Maximum Profit
- Longest Mountain in Array
- IPL 2021 - Match Day 2
- Brackets in Matrix Chain Multiplication
- Phone directory
- Maximum of all subarrays of size k
- First non-repeating character in a stream
- Count ways to N'th Stair(Order does not matter)
- Is Sudoku Valid
- Nuts and Bolts Problem
- Serialize and Deserialize a Binary Tree
- Column name from a given column number
- Rotting Oranges
- Burning Tree
- Delete N nodes after M nodes of a linked list