ProDeveloperTutorial.com

Example: array = {1, 2, 3, 4, 5, 6, 7, 8, 9}; k = 30 Output: 4 This is because the sub array [6, 7, 8, 9] This problem can be solved with “two…

2 strings are said to be isomorphic, if one letter in the first string can be replaced by another letter in the second string. Example 1:…

A majority element, is an element that is repeated more than half of the times. Example: [1, 2, 3, 4, 4, 4, 4, 4, 5] Output: 4. Total number…

Example 1: Input: [3,4,5,6,7,1,2] Output: 1 We shall use 2 pointers to solve this problem. Below are steps how the solution works: 1. Frist we…

Example 1: Input: [2,3,-1,3] Output: 6 Explanation: [2,3] are continuous and has the largest product 6. The steps of the working of the…

Example: Input: “prodevelopertutorial is a good website”, Output: ” website good a is prodevelopertutorial”. The…

In reverse polish notation, operands will be first followed by operators. For example, 2 – 3 in reverse polish notation will be 2 3 – 4 + 5…

Example: 3 -> 4 -> 5-> 1 -> 2 Output: 1 -> 2 -> 3 -> 4 -> 5 Merge sort is a divide and conquer algorithm. Here we…

Sort a linked list using insertion sort. Example 1: Input: 4->2->1->3 Output: 1->2->3->4 Example 2: Input:…

Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You may not modify the values in the list’s nodes,…