for循环

int m = 0;            for (int x = 1; x * 3 <= 200; x++)            {                for (int y = 1; y * 2 <= 200; y++)                {                    for (int z = 1; z * 15 <= 200; z++)                    {                        if (3 * x + 2 * y + 15 * z == 200)                        {                            Console.WriteLine(x + "个牙刷" + y + "个香皂" + z + "副羽毛球拍");                            m++;                        }                    }

               }

           }            Console.WriteLine("一共有多少种方法" + m);

for循环

原文：http://www.cnblogs.com/naqiang/p/5490966.html