10+ Bharti Airtel Interview Questions and Answers

Q1. Word Break Problem Statement

You are given a list of N strings called A. Your task is to determine whether you can form a given target string by combining one or more strings from A.

The strings from A can be u...read more

Q2. Maximum Subarray Sum Problem Statement

Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.

Explanation:

A sub...read more

Q3. String Rotation Problem Statement

You are given a string named str and an integer D. Your task is to perform both left (anticlockwise) and right (clockwise) rotations on the given string by D units, starting fr...read more

Q4. Prime Numbers Identification

Given a positive integer N, your task is to identify all prime numbers less than or equal to N.

Explanation:

A prime number is a natural number greater than 1 that has no positive d...read more

Q5. Check If Binary Representation of a Number is Palindrome

Given an integer N, determine if its binary representation is a palindrome.

Input:

The first line contains a single integer ‘T’ representing the number o...read more

Q6. Median of Two Sorted Arrays

Given two sorted arrays A and B of sizes N and M, find the median of the merged array formed by combining arrays A and B. If the total number of elements, N + M, is even, the median ...read more

Q7. Sort 0 and 1 Problem Statement

Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any addi...read more

Q8. Count Pairs with Given Sum

Given an integer array/list arr and an integer 'Sum', determine the total number of unique pairs in the array whose elements sum up to the given 'Sum'.

Input:

The first line contains ...read more

Q9. Common Elements Problem Statement

Identify and output the common strings present in both given arrays of lowercase alphabets for each test case.

Input:

The first line contains an integer 'T' representing the nu...read more

Q10. DFS Traversal Problem Statement

Given an undirected and disconnected graph G(V, E), where V is the number of vertices and E is the number of edges, the connections between vertices are provided in the 'GRAPH' m...read more