Matrix Layer Rotation HackerRank Solution in C, C++, Java, Python
You are given a 2D matrix of dimension m*n and a positive integer r. You have to rotate the matrix r times and print the resultant matrix. Rotation should be …
HackerRank Solutions
Almost Sorted HackerRank Solution in C, C++, Java, Python
Given an array of integers, determine whether the array can be sorted in ascending order using only one of the following operations one time. Swap two elements. Reverse one sub-segment. …
Larry’s Array HackerRank Solution in C, C++, Java, Python
Larry has been given a permutation of a sequence of natural numbers incrementing from 1 as an array. He must determine whether the array can be sorted using the following …
Ema’s Supercomputer HackerRank Solution in C, C++, Java, Python
Ema built a quantum computer! Help her test its capabilities by solving the problem below. Given a grid of size n*m, each cell in the grid is either good or …
The Bomberman Game HackerRank Solution in C, C++, Java, Python
Bomberman lives in a rectangular grid. Each cell in the grid either contains a bomb or nothing at all. Each bomb can be planted in any cell of the grid …
Absolute Permutation HackerRank Solution in C, C++, Java, Python
We define P to be a permutation of the first n natural numbers in the range [1,n]. Let pos[i] denote the value at position i in permutation P using 1-based …
3D Surface Area HackerRank Solution in C, C++, Java, Python
Madison, is a little girl who is fond of toys. Her friend Mason works in a toy manufacturing factory . Mason has a 2D board A of size with H*W …
Strange Counter HackerRank Solution in C, C++, Java, Python
There is a strange counter. At the first second, it displays the number 3. Each second, the number displayed by decrements by 1 until it reaches 1. In next second, …
Happy Ladybugs HackerRank Solution in C, C++, Java, Python
Happy Ladybugs is a board game having the following properties: The board is represented by a string, b, of length n. The ith character of the string,b[i] , denotes ith …
The Grid Search HackerRank Solution in C, C++, Java, Python
Given an array of strings of digits, try to find the occurrence of a given pattern of digits. In the grid and pattern arrays, each string represents a row in …