## Hackerrank – Cats and a Mouse

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution Cats and the mouse moves with the same speed. Suppose it is by 1 on x-axis. Lets define the difference between their positions: (cat A, mouse), (cat B, mouse).         where     ,     , […]

## Hackerrank – Breaking the Records

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution Look at the implementation. The steps are in problem description. I created solution in: Scala Java Javascript All solutions are also available on my GitHub profile. Scala

Java

Javascript

## Hackerrank – Birthday Chocolate

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution Look at the implementation. The steps are in problem description. I created solution in: Scala Java Javascript All solutions are also available on my GitHub profile. Scala

Java

Javascript

## Hackerrank – Picking Numbers

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution First, I started with sorting the array. I took 0th index as a pointer. I had the second pointer as 1st index. I incremented second pointer and tried to find out if the difference between values at the pointers is […]

## Hackerrank – Migratory Birds

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution Look at the implementation. The steps are in problem description. I created solution in: Scala Java Javascript All solutions are also available on my GitHub profile. Scala

Java

Javascript

## Hackerrank – Mark and Toys

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution I started with sorting the toys prices ascending. I looked at the prices from the beginning and sum the prices. If I exceeded the required given sum, I outputed the amount of toys. I created solution in: Scala Java Javascript […]

## Hackerrank – Electronics Shop

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution I do what is described in problem description. Look at the implementation. I created solution in: Scala Java Javascript All solutions are also available on my GitHub profile. Scala

Java

Javascript

## Hackerrank – Day of the Programmer

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution Look at the implementation. The steps are in problem description. I created solution in: Scala Java Javascript All solutions are also available on my GitHub profile. Scala

Java

Javascript

## Hackerrank – Drawing Book

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution The equation to calculate no. of draws, when I started from the front of the book:     no. of draws, when I started from the back of the book: if     is even     else     […]

## Hackerrank – String Compression

Hackerrank – Problem Statement A description of the problem can be found on Hackerrank. Solution Look at the implementation. The steps and the result are described in problem statement. I created solution in: Scala All solutions are also available on my GitHub. Scala