Given an array A[] and size of array is N. The task is to replace element of array A[] are in given range L to R both are included. Element replace by Read more →
Data Structures
5 postsGiven an array in increasing order and a target, return indices of two numbers such that they add up to the target. You have to return an array of indices where the Read more →
Given an array arr[] and the two elements x and y, the task is to find which element(x or y) has highest occurrence in the array. If the occurrences are the same, Read more →
Given an integer array arr[] and K, the task is to count the number of elements ‘A[i]’, such that A[i] * K is also present in the array. Note: If there are Read more →
Given an array arr[] of n elements, write a function to search a given element x in arr[]. Examples: Input : arr[] = {10, 20, 80, 30, 60, 50, 110, 100, 130, Read more →
Given two strings string1 and string2, the task is to find the smallest substring in string1 containing all characters of string2. Examples : Input: string = “Cplusplus is the best”, pattern = Read more →
Given a stock n-day price, you can only trade at most once a day, you can choose to buy a stock or sell a stock or give up the trade today, the Read more →
Given a string str. The task is to check whether this string can be splitted into two strings X and Y such that Y is a substring of X X + Y Read more →
Given an integer array arr[] and an integer K (greater than 0), the task is to count the subarray whose elements sum up to a multiple of K, else print -1. A Read more →
Given a Binary String S of length N which consists of only 0 and 1, the task is to remove minimum number of 0’s from the string such that all 1’s form Read more →