Mr Swegwan and Arrays

Mr. Swegwan likes to play around with arrays. Recently while sitting in his room he invented a new game to play with arrays. In this game, firstly you are given an array A of size N by Mr. Swegwan and each element of the array lies in the range [L,R](inclusive). You have to choose exactly one integer from the array and replace it with another integer that also lies in the range [L,R] inclusive. Yo