摘要: class UnionFind: def __init__(self, n): self.root = [i for i in range(n)] self.rank = [1]*n self.cnt = n # 用来统计孤岛个数 def find(self, x): if x == self.ro 阅读全文
posted @ 2021-09-04 22:22 pas_a_pas 阅读(57) 评论(0) 推荐(0)