One day Christy has to distribute some chocolates to her colleagues. She is biased towards her friends and plans to

Hack the money

You are a bank account hacker.Initially you have 1 rupee in your account, and you want exactly N rupees in your account.You

Counting Sort

Counting sort is a sorting algorithm that sorts the elements of an array by counting the frequency of each distinct


Given a chess board having cells (NxN), N number queens needs to placed on the board in such a way