## Count pairs in array whose sum is divisible by K

Given an array A[] and positive integer K, the task is to count total number of pairs in the array whose sum is divisible by… Read More »

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- Count pairs in array whose sum is divisible by K
- Sort the array in a given index range
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Given an array A[] and positive integer K, the task is to count total number of pairs in the array whose sum is divisible by… Read More »

Given an array arr[] of integer elements, the task is to find the length of the longest sub-array whose product is 0. Examples: Input: arr[]… Read More »

Given a Complete Binary Tree as an array, the task is to print all of its levels in sorted order. Examples: Input: arr[] = {7,… Read More »

Given an integer k and an array arr[] representing the destination floors for N people waiting currently at the ground floor and k is the… Read More »

Given an array, the task is to copy these array elements into another array in reverse array. Examples: Input: array: 1 2 3 4 5… Read More »

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… 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 »