Python 端口合并
def find(parent, i):if parent[i] != i:parent[i] = find(parent, parent[i])return parent[i]def union(parent, rank, x, y):xroot = fin
def find(parent, i):if parent[i] != i:parent[i] = find(parent, parent[i])return parent[i]def union(parent, rank, x, y):xroot = fin