Lazy Puzzle

Lazy Puzzle Aashish was sitting in a park with Chirag. Aashish wanted to prove Chirag about his puzzle solving skills and asks Chirag to give him a puzzle. Chirag being a lazy person gives Aashish a lazy puzzle to solve. He gives him a sequence of n digits and asks him to make a number from these digits with each of the digit d used exactly once and all of the digits in the sequence should b