> main()
> {int a,b;
> printf("\nPlease input your two numbers.a=? b=?(0<=a,b<=10)\n");
> scanf("%d %d",&a,&b);
> if(a>=0||a<=10||b>=0||b<=10)
> {a=a+b;
> printf("\na+b=%d\n",a);
> }
> else printf("error");
> }
> 

题目中并没有要求你输出提示信息呀！！！