Types: n: int, k: int, u: int, v: int
Ranges: 1 ≤ n ≤ 100, 0 ≤ k ≤ n-1, 1 ≤ u ≤ n, 1 ≤ v ≤ n
Addtl Info: Vertices are identified by IDs 1, 2, ..., n respectively.