百马百石

         //大马驼2石粮食，中等马驼1石粮食，两头小马驼1石粮食，
            //要用100匹马，驼100石粮食，该如何分配？
            int count=0;
            for (int da = 0; da <= 50;da++ )
            {
                for (int zhong = 0; zhong <= 100;zhong++ )
                {
                    for (int xiao = 0; xiao <= 200;xiao++ )
                    {
                        if(da+zhong+xiao==100&&2*da+zhong+0.5*xiao==100)
                        {
                            count++;
                            Console.WriteLine("第" + count + "种分配方法：大马：" + da + "匹，中等马：" + zhong + "匹，小马：" + xiao + "匹");
                        }
                    }
                }
            }
            Console.WriteLine("共有" + count + "种方法");
            Console.ReadLine();