一、试给出下列有关并查集(mfsets)的操作序列的运算结果: union(1, 2), union(3, 4), union(3, 5),union(1, 7), union(3, 6), union(8, 9), union(1, 8), union(3, 10), union(3, 11), union(3, 12), union(3, 13), union(14, 15), union(16, 0), union(14, 16), union(1, 3), union(1, 14)。(union 是合并运算,在以前的书中命名为 merge) 要求