Wipro Coding Interview Questions

Minimum Moves to Capture The Queen

There is a 1-indexed 8 x 8 chessboard containing 3 pieces.

Two Sum

Given an array of integers nums and an integer target, return the indices of the two numbers that add up to target.

Reverse Integer

Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range [-231, 231 - 1...

Count Primes

Given an integer n, return the number of prime numbers that are strictly less than n.

Remove Duplicates from Sorted Array

Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The relative order o...

Second Highest Salary

Table: Employee

Median of Two Sorted Arrays

Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays.

Valid Parentheses

Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.

Valid Anagram

Given two strings s and t, return true if t is an anagram of s, and false otherwise.

Longest Substring Without Repeating Characters

Given a string s, find the length of the longest substring without duplicate characters.

Valid Palindrome

A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forwa...

Kth Largest Element in an Array

Given an integer array nums and an integer k, return the kth largest element in the array.

Rotate Array

Given an integer array nums, rotate the array to the right by k steps, where k is non-negative.

Palindrome Number

Given an integer x, return true if x is a palindrome, and false otherwise.

Jump Game

You are given an integer array nums. You are initially positioned at the array's first index, and each element in the array represents your maximum jump length...

Linked List Cycle

Given head, the head of a linked list, determine if the linked list has a cycle in it.

Article Views I

Table: Views

Sort Characters By Frequency

Given a string s, sort it in decreasing order based on the frequency of the characters. The frequency of a character is the number of times it appears in the st...

Create Hello World Function

Write a function createHelloWorld. It should return a new function that always returns "Hello World".

Merge Sorted Array

You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n, representing the number of elements in nums1 and num...

Power of Two

Given an integer n, return true if it is a power of two. Otherwise, return false.

Roman to Integer

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M.

Group Anagrams

Given an array of strings strs, group the anagrams together. You can return the answer in any order.

Climbing Stairs

You are climbing a staircase. It takes n steps to reach the top.

Binary Search

Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, then ret...