Types: N: int, M: int, A: int, B: int, D: List[int]
Ranges: 1 ≤ N ≤ 1000, 0 ≤ M ≤ N, 1 ≤ A ≤ B ≤ 1000, 1 ≤ D[i] ≤ 1000
Addtl Info: None