摘要: static void Main(string[] args) { List<int> users = new List<int>() { 1,2,3,4,5,1,2,3,4,5 }; var count = users.Count; users = new HashSet<int>(users). 阅读全文
posted @ 2025-01-18 16:54 三石PY 阅读(8) 评论(0) 推荐(0)