gfg-potd

Given an array arr[], find all possible indices [i, j, k] of triplets [arr[i], arr[j], arr[k]] in the array whose sum is equal to zero. Return indices of […]

Given a linked list, your task is to complete the function isLengthEven() which contains the head of the linked list, and check whether the length

Given an unsorted array arr and anumber k which is smaller than size of the array. Find if the array contains duplicates within k distance. Examples:

Given an array arr[ ] of positive elements. Consider the array as a circular array, meaning the element after the last element

Given a sorted doubly linked list and an element x, you need to insert the element x into the correct position in the

Given an array arr[] of positive integers. Find the number of pairs of integers whose difference equals a given number k.Note: (a,

You are given a Linked List. Sort the given Linked List using quicksort.  Examples: Input: Linked list: 1->6->2Output: 1->2->6Explanation:After sorting the

Given an array arr consisting of positive integer numbers, remove all duplicate numbers. Example: Input: arr[] = [2, 2, 3, 3, 7,

Given an array arr of integers. Find whether three numbers are such that the sum of two elements equals the third element.

Given a singly linked list and a key, count the number of occurrences of the given key in the linked list. Examples: Input: Linked List:

Given an array arr of distinct integers. Rearrange the array in such a way that the first element is the largest and the second

Given an array arr. Return the modified array in such a way that if the current and next numbers are valid numbers and