Beautiful Days at the Movies | Hackerrank Solutions
Lily likes to play games with integers. She has created a new game where she determines the difference between a number and its reverse. For instance, given the number 12,…
Save the Prisoner Program in Python | Hacker Rank Solution
A jail has a number of prisoners and a number of treats to pass out to them. Their jailer decides the fairest way to divide the treats is to seat…
Charlie has a Magic Mirror Program in Java
Charlie possesses an extraordinary tool in his possession: a magic mirror capable of displaying right-rotated versions of any given word. This mirror offers a unique perspective, revealing fascinating transformations of…
Angry Professor | Hackerrank Solution
A Discrete Mathematics professor has a class of students. Frustrated with their lack of discipline, the professor decides to cancel class if fewer than some number of students are present…
Utopian Tree | Hackerrank Solution
The Utopian Tree goes through 2 cycles of growth every year. Each spring, it doubles in height. Each summer, its height increases by 1 meter. A Utopian Tree sapling with…
Designer PDF Viewer | Hackerrank
When a contiguous block of text is selected in a PDF viewer, the selection is highlighted with a blue rectangle. In this PDF viewer, each word is highlighted independently. For…
The Hurdle Race | Hackerrank
A video player plays a game in which the character competes in a hurdle race. Hurdles are of varying heights, and the characters have a maximum height they can jump.…
Hackerrank | Longest Subarray with Absolute Difference Constraint
Problem Overview Given an array of integers, our task is to find the longest subarray such that the absolute difference between any two elements is less than or equal to…
Hackerrank | Magic Square
We define a magic square to be an n*n matrix of distinct positive integers from 1 to n^2 where the sum of any row, column, or diagonal of length n…
Hackerrank | Cats and a Mouse
Two cats and a mouse are at various positions on a line. You will be given their starting positions. Your task is to determine which cat will reach the mouse…
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Hackerrank | Birthday Candles Problem
You are in charge of the cake for a child’s birthday. You have decided the cake will have one candle for each year of their total age. They will only…
Hackerrank | Min Max Sum of N-1 Elements
Given five positive integers, find the minimum and maximum values that can be calculated by summing exactly four of the five integers. Then print the respective minimum and maximum values…
Hackerrank Problems | Diagonal Difference
Given a square matrix, calculate the absolute difference between the sums of its diagonals. For example, the square matrix is shown below: The left-to-right diagonal =1+5+9=15. The right to left…
Hackerrank Problems | Compare the triplets
Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality,…
C Program to get Two Sum and Three Sum
When working with arrays, solving problems like finding two elements that sum up to a target or three elements with a specific sum is quite common. In this blog post,…