一片枯叶

摘要： using System;using System.Collections.Generic;using System.Collections;//要用能动态数组，就需自己再导入命名空间using System.Linq;using System.Text;//using System.Collections;namespace listremove{ /// <summary> /// 删除数组指定元素。 /// </summary> class Program { static void Main(string[] args) { ArrayList myArrayL 阅读全文

摘要： sing System;using System.Collections.Generic;using System.Linq;using System.Text;namespace sum{ class Program { static void Main(string[] args) { int i, j; int sum=0; int evenSum=0; for (i = 1; i <= 100; i++) { sum += i; } Console.WriteLine("sum={0}", sum); for (j = 2; j <= 100; j++) 阅读全文