int?main()
{
int?i,?sum_3?=?0,?sum_5?=?0;
for?(i?=?1;?i?<=?100;?++i)
if?(i?%?3?==?0)
sum_3?+=?i;
}
if?(i?%?5?==?0)
sum_5?+=?i;
printf("1-100之間能被3整除的所有數字之和:%d\n",?sum_3);
printf("1-100之間能被5整除的所有數字之和:%d\n",?sum_5);
return?0;