Linked List: Add 1 to the linked list
Problem Statement: You are given an linked list, you need to add one to it and return as result. Example Example 1: Input: 1 -> 9 -> 9…
Linked List: Move last element to front of a given Linked List
Problem Statement: You are given an LL, you need to move the last element to the first. Example Input: 1->2->3->4->5 Output:…
Linked List: Remove duplicates from an unsorted linked list
Problem Statement: You are given an un-sorted Linked List. You need to remove the duplicate nodes. Example Input: 2 -> 3 -> 3 -> 1…
Linked List: Reverse Linked List in groups
Problem Statement: You are given a linked list and an integer k, you need to reverse it group wise. Example Input: 1 -> 2 -> 3 -> 4…
Searching and Sorting: Factorial Trailing Zeroes
Problem Statement: you are given an integer, you need to return the number of trailing zeros in n!. Example Input: n = 5 Output: 1 Because the…
Searching and Sorting: Find the missing number in Arithmetic Progression
Problem Statement: You are given an array that has elements of arithmetic progression in order. One element is missing, you need to find that…
Searching and Sorting: K-th Element of Two Sorted Arrays
Problem Statement: You are given 2 arrays that are sorted. You need to find the k’th element if the two arrays are sorted and merged.…
Searching and Sorting: Minimum number of swaps required to sort an array
Problem Statement: You are given an array of distinct elements. You need to find the minimum number of swaps required to sort the array.…
Searching and Sorting: Sort Integers by The Number of 1 Bits
Problem Statement: You are given a array. You have to sort the integers in ascending order by the number of 1’s in their binary format.…
Searching and Sorting: Product of array except itself.
Problem Statement: You are given an array, you need to return an array of the product such that the prod[i] is equal to the product of all the…