TMD要在这个神奇的国度好好活下去.
Definition: A set S1 is a superset of another set S2 if every element in S2 is in S1. S1 may have elements which are not in S2.
定义:如果一个集合S2中的每一个元素都在集合S1中,且集合S1中可能包含S2中没有的元素,则集合S1就是S2的一个超集。
posted on 2011-08-11 16:50 wargoo 阅读(391) 评论(0) 编辑 收藏 举报
Powered by: 博客园 Copyright © 2024 wargoo Powered by .NET 8.0 on Kubernetes