If you’re preparing for coding interviews, the “Count Inversions” problem is a classic and important question. In this blog, we’ll…

If you’re preparing for coding interviews, the “Missing And Repeating” problem is a classic! In this blog, we’ll explain the problem, walk you through brute force,…

If you want to master array manipulation, “Merge Without Extra Space” is an essential coding problem! In this blog, we’ll…

If you want to master array problems, “Merge Intervals” is a must-know question! In this blog, we’ll explain the problem,…

Are you stuck on the “Largest subarray with 0 sum” problem from GeeksforGeeks? Don’t worry! In this blog, we’ll explain…

There is an integer array nums sorted in ascending order (with distinct values). Prior to being passed to your function, nums is possibly rotated at an unknown pivot…

Given a sorted array, arr[] and a number target, you need to find the number of occurrences of target in arr[]. Here’s the [Problem Link] to begin with.…

Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not found…

For a sorted array a[] of length n and a value x, you must return both: If either does not…

Given a sorted array of distinct integers and a target value, return the index if the target is found. If…