using System;namespace ConsoleApplication1
{class Program{static void Main(string[] args){Console.WriteLine("请输入一个数：");int num1 = int.Parse(Console.ReadLine());Console.WriteLine("请输入另一个数：");int num2 = int.Parse(Console.ReadLine());int tmp;if (num1 < num2){tmp = num1; num1 = num2; num2 = tmp;}int a = num1; int b = num2;while (b != 0){tmp = a % b;a = b;b = tmp;}Console.WriteLine("{0}和{1}的最大公约数为：{2}",num1,num2,a);Console.WriteLine("{0}和{1}的最小公倍数为：{2}",num1,num2,num1*num2/a);}}
}