呵呵,那我也写一个,没坏处。
											#include<stdio.h>
int main()
{
   int a,b,c,x;
   char y;
   do
   {
          do
         {
               printf("******************************************************\n");
               printf("现在请输入三个30000以内的整数,电脑会判断它们的大小,\n"
                      "然后输出最大的数字。\n");
               printf("请您输入数字,空格隔开每个数字,以enter结束输入。\n");
               scanf("%d %d %d",&a,&b,&c);
               puts(" ");
               if(a<0||b<0||c<0||a>30000||b>30000||c>30000)
                                  printf("您输入的数字超出范围,请重新输入。\n");
         }
         while(a<0||b<0||c<0||a>30000||b>30000||c>30000);
         x=a>b?a:b ;
         printf("最大数为:%d\n",x>c?x:c);
         printf("\n\n*********************************************************\n");
         printf("请问您还继续玩吗?退出请按N,继续请按任意键
  :\n");
         scanf("
  %c",&y);
    }
    while(y!='n'&&y!='N');
    puts(" ");
    printf("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n\n");
    printf("谢谢您的参与,再见!\n");
    getch();
}
[[it] 本帖最后由 广陵绝唱 于 2008-2-18 22:41 编辑 [/it]]