Select numbers in such way to maximize the amount of money

Given two arrays A1 and A2 of N numbers. There are two people A and B who select numbers out of N. If A selects… Read More »

Minimize the sum of squares of sum of N/2 paired formed by N numbers

Given N numbers(N is an even number). Divide the N numbers into N/2 pairs in such a way that the sum of squares of the… Read More »

Array Manipulation and Sum

Given an array arr[] of N integers and an integer S. The task is to find an element K in the array such that if… Read More »

Maximize the value of A by replacing some of its digits with digits of B

Given two string A and B which represents two integers, the task is to print the maximized value of A after replacing 0 or more… Read More »

Make palindromic string non-palindromic by rearranging its letters

Given a string str containing lowercase alphabets (a – z). The task is to print the string after rearranging some characters such that the string… Read More »

Salesforce Interview Experience | On-Campus for FTE

Salesforce recently visited our campus BITS Pilani for the first time for Associate Member of Technical Staff role in Hyderabad. Round 1: Online Round (Hosted on… Read More »

C program to store Student records as Structures and Sort them by Name

Given student’s records with each record containing id, name and age of a student. Write a C program to read these records and display them… Read More »

Jump in rank of a student after updating marks

Given three arrays names[], marks[] and updates[] where: names[] contains the names of students. marks[] contains the marks of the same students. updates[] contains the… Read More »

Sort the array in a given index range

Given an array arr[] of N integers and an index range [a, b]. The task is to sort the array in this given index range… Read More »

Sort an array of string of dates in ascending order

Given an array of strings dates[], the task is to sort these dates in ascending order. Note: Each date is of the form dd mmm… Read More »

Rearrange all elements of array which are multiples of x in decreasing order

Given an array of integers arr[] and an integer x, the task is to sort all the elements of the array which are multiples of… Read More »

Size of the smallest subset with maximum Bitwise OR

Given an array of positive integers. The task is to find the size of the smallest subset such that the Bitwise OR of that set… Read More »

Check if array can be sorted with one swap

Given an array containing N elements. Find if it is possible to sort it in non-decreasing order using atmost one swap. Examples: Input : arr[]… Read More »

Sort elements of array whose modulo with K yields P

Given an array of integers and a number K. The task is to sort only those elements of the array which yields remainder P upon… Read More »

String with frequency of characters in Lucas Sequence

Given a string ‘str’ containing lowercase English alphabets, the task is to find whether the frequencies of the characters of the string are in Lucas… Read More »