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Given an array of integers, you need to perform a left rotation on the array 'k' number of times. This video explains you what is ...

Learn how to solve 'Finding the Running Median' using heaps. This video is a part of HackerRank's Cracking The Coding ...

In this video we will solve another hackerrank problem plus minus. if you want to learn problem solving please subscribe to our ...

Actual problem on LeetCode: https://leetcode.com/problems/longest-common-subsequence/ Wiki: ...

Stuck on the "Find a Substring in a String" HackerRank challenge? Don't worry - I've got you covered! In this tutorial, I'll walk you ...

In this video, I have solved hackerrank dynamic array problem by simplifying problem statement. hackerrank dynamic array ...

Learn how to check if a sequence of different types of brackets (or parentheses) is correctly balanced. This video is a part of ...

This video will help you understand how to find out the number the user has inputted through for 2 digit numbers.

Difficulty: Beginner Find Complete Code at GeeksforGeeks Article: ...

Given an array, we need to find the number of good pairs that can be formed with the elements. A pair is said to be good if the ...

Solution code: Python: https://gist.github.com/syphh/220e95c845d04fe5d3a9a7e932ae550c Java: ...

Finding the height of a binary tree is a very basic concept and it is used in a lot of preliminary analysis. You can approach this ...

Super helpful resources available here: https://nikoo28.github.io/all-my-links/ To see more videos like this, you can buy me a ...

Solution code: Python: https://gist.github.com/syphh/31c149453a2151aa2a7c5ceae5f873e5 Java: ...

Solution code in Python: https://gist.github.com/syphh/5871bda46199dc653b175731da81be2b Solution code in Java: ...

A few months ago, I had spent some time on this problem, and could not find a good resource for understanding it completely.

This video explains how to determine the number of anagrams of a given word.