无论元素的顺序如何,如何检查一个数组是否为另一个数组的子集?
a1 = [3, 6, 4] a2 = [1, 2, 3, 4, 5, 6, 7, 8, 9] ...? a1 is a subset of a2
https://stackoverflow.com/questions/10567430
相似问题