# Tag Archives: Arrays

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
Given an array of objects and the task is to return the unique object by the attribute.  Examples: Input: [ { name: 'Geeks', id: 10… Read More
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
Given a 2-D Matrix and an integer ‘K’, the task is to predict the matrix after ‘K’ iterations given as follows:   An element 1 in… Read More
Given two arrays A[] and B[] consisting of and integers. The task is to check whether the array B[] is a subarray of the array A[] or… Read More
Static Queue: A queue is an ordered list of elements. It always works in first in first out(FIFO) fashion. All the elements get inserted at… Read More
Given an array of positive integers, find the smallest non-negative integer (i.e. greater than or equal to zero) that can be placed between any two… Read More
Given a NxM matrix with N rows and M columns of positive integers. The task is to find the pair with the maximum difference in… Read More
Given a NxM matrix with N rows and M columns of positive integers. The task is to find the sum of pair with maximum sum… Read More
Given a number N. The task is to create an alphabetical string in lower case from that number and tell whether the string is palindrome… Read More
A square matrix is a matrix which includes elements in the form of Rows and Columns. Below is an example of a 5×5 matrix.  A… Read More
Given an array arr[]. The task is to find the length of the longest subarray of arr[] such that it contains only even elements. Examples: … Read More
Given two arrays arr1[] and arr2[]. The task is to find the count of such elements in the first array whose at-least one factor is… Read More