Optimizing Book Distribution

You are given an array of integers representing the number of books on different shelves in a library. Your goal is to redistribute the books such that no shelf has more than a certain limit M books but maximizing the number of shelves used. Compute the maximum number of shelves that can be utilized.\n\nInput Format: - A single line containing the number of shelves followed by the shelf limits.\n\nOutput Format: - A single integer representing the maximum number of shelves that can be utilized.\n\nExample: Input: 5 1 2 3 4 5\nOutput: 4 (Utilize shelves 2, 3, 4, 5 without exceeding the limit)