Ola-Cabs Topics for Interview Preparation
Last Updated :
26 Jun, 2024
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Table of Content
Easy Level
- Find the element that appears once
- A Boolean Matrix Question
- Find the Missing Number
- Level Order Tree Traversal
- Square root of an integer
- Write an Efficient Function to Convert a Binary Tree into its Mirror Tree
- Find the character in first string that is present at minimum index in second string
- Find the missing number in Arithmetic Progression
- Find the element that appears once in a sorted array
- Given a string, find its first non-repeating character
- Inorder predecessor and successor for a given key in BST
- Level order traversal in spiral form
- Maximum difference between two elements such that larger element appears after the smaller number
- Print Left View of a Binary Tree
- Print nodes at k distance from root
- Search in a row wise and column wise sorted matrix
- Sort an array of 0s, 1s and 2s
- Stock Buy Sell to Maximize Profit
- String matching where one string contains wildcard characters
Medium Level
- Binary Heap
- Count All Palindrome Sub-Strings in a String | Set 1
- Count All Palindrome Sub-Strings in a String
- Find the number of islands | Set 1 (Using DFS)
- Largest Sum Contiguous Subarray
- Print all words matching a pattern in CamelCase Notation Dictonary
- Wildcard Pattern Matching
Hard Level
- Backtracking | Set 7 (Sudoku)
- Find all distinct palindromic sub-strings of a given string
- Implement LRU Cache
- Median in a stream of integers (running integers)
- Print all nodes at distance k from a given node


