Minimum Absolute Difference in an Array - Hacker Rank Solution

Consider an array of integers, . We define the absolute difference between two elements,  and  (where ), to be the absolute value of .

Reverse Shuffle Merge - Hacker Rank Solution

Given a string, , we define some operations on the string as follows:

a.  denotes the string obtained by reversing string . Example: 

b.  denotes any string that's a permutation of string . Example:

Max Min - Hacker Rank Solution

You will be given a list of integers, , and a single integer . You must create an array of length  from elements of  such that its unfairness is minimized. Call that array .

Greedy Florist - Hacker Rank Solution

A group of friends want to buy a bouquet of flowers. The florist wants to maximize his number of new customers and the money he makes. To do this, he decides he'll multiply the price of each flower by the number of that customer's previously purchased flowers plus .

Luck Balance - Hacker Rank Solution

Lena is preparing for an important coding competition that is preceded by a number of sequential preliminary contests. She believes in "saving luck", and wants to check her theory. Each contest is described by two integers,  and :