int main()
{
inta,b,c,num
Puts("請輸入壹個三位數的整數:");
scanf("%d ",& ampnum);
a = num % 10;
num/= 10;
b = num % 10;
c = num/10;
//printf("%d,%d,%d\n ",c,b,a);
printf("%d\n ",a+b+c);
返回0;
}