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 …
Aayush Kumar Gupta
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 …
Cavity Map HackerRank Solution in C, C++, Java, Python
You are given a square map as a matrix of integer strings. Each cell of the map has a value denoting its depth. We will call a cell of the …
Fair Rations HackerRank Solution in C, C++, Java, Python
You are the benevolent ruler of Rankhacker Castle, and today you’re distributing bread. Your subjects are in a line, and some of them already have some loaves. Times are hard …
Flatland Space Stations HackerRank Solution in C, C++, Java, Python
Flatland is a country with a number of cities, some of which have space stations. Cities are numbered consecutively and each has a road of 1 km length connecting it …
Lisa’s Workbook HackerRank Solution in C, C++, Java, Python
Lisa just got a new math workbook. A workbook contains exercise problems, grouped into chapters. Lisa believes a problem to be special if its index (within a chapter) is the …
Service Lane HackerRank Solution in C, C++, Java, Python
A driver is driving on the freeway. The check engine light of his vehicle is on, and the driver wants to get service immediately. Luckily, a service lane runs parallel …