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5 posts

First Greater Element

Last Updated: 15 July 2026

Given an array arr[] of integers, for each element arr[i], find the smallest element arr[j] such that j i and arr[j] arr[i]. If no such element exists, return -1 for tha...read more

Distinct Characters In Sorted Manner

Last Updated: 14 July 2026

Given a string s, return a string containing all distinct characters from s in non-decreasing order, without using any sorting algorithm.Examples:Input: s = "abdbc"Output:...read more

Special Ranking Teams by Votes

Last Updated: 23 July 2025

Given an array of strings votes[], representing the voters' rankings. A special ranking system where each voter ranks all teams from highest to lowest. The task is to Sort...read more

Interview-Questions

Find Maximum value of Increasing Triplet

Last Updated: 16 May 2024

Given an array arr[], the task is to return the maximum value of increasing triplet (i, j, k) such that i j k and arr[i] arr[j] arr[k]. The value of a triplet (i, j, k...read more

Set in JavaScript

Last Updated: 25 September 2025

A Set in JavaScript is used to store a unique collection of items, meaning no duplicates are allowed. Sets internally use a hash table which makes search, insert and delet...read more

Web Technologies