Choose Your Plank

There is a famous gift shop in Jaipur and it manufactures one special kind of showpiece only once in a year(and one in number only), and they have many rounds of exciting games among its customer to decide the actual buyer of this product but this time it was a tie between two so the owner of the shop decided for a tiebreaker game to find out the winner. In the game, there were $N$ wooden plank