Hackerrank Algorithms

Largest Rectangle

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Let’s solve the Largest Rectangle problem from HackerRank. You may click on the title to…

Tree: Huffman Decoding

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Let’s solve the Tree: Huffman Decoding problem on HackerRank. You may click on…

Let’s understand the Beautiful Binary String problem on HackerRank. You may click on the title to read the problem statement. So let’s start.

Here, we have to eliminate all the ‘010’ sub strings from the given string. You…

Let’s understand the Sum vs XOR problem on HackerRank. You may click on the title to read the problem statement. So let’s start.

Here, you may use brute force to iterate over x, 0 ≤ x ≤ n and if sum of x and n is equal to XOR or x and n, then…

Two Strings

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Let’s understand the Two Strings problem on HackerRank. You may click on the title to read the…

Sherlock and Array

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Let’s get going with the problem Sherlock and Array on HackerRank. You may click on the title to read the problem statement. So let’s start…

The problem states that we have been given a list A of length n, and we need to find an…

Angry Professor

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Let’s get going with the problem Angry Professor on HackerRank. You may click on the title to read the problem statement. So let’s start…

We have been given a list of N integers, i.e. their arrival times. We also have a threshold K…

Permuting Two Arrays

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Let’s get going with the problem Permuting Two Arrays on HackerRank. You may click on the title to read the problem statement. So let’s start…

We have been given two arrays A and B of equal length. We are asked to find if we can…

Pairs

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Let’s get going with the problem Pairs on HackerRank. You may click on the title to read the problem statement. So let’s start…

We have been given N distinct numbers in the input. We need to find number of pairs that have difference K between them. The…