Types: N: int, M: int, ai: List[int], bi: List[int], ci: List[int]
Ranges: 2 ≤ N ≤ 10^5, 1 ≤ M ≤ 2 × 10^5, 1 ≤ ai < N, 1 ≤ bi ≤ N, 1 ≤ ci ≤ 10^9, ai ≠ bi
Addtl Info: None