杨书蘅 · 发布于 2024-11-27 · 浏览 586 回复 0

int a, b, d = 0;
scanf("%d", &a);
while (a != 0) {
	b = a % 10;
	d = d + b;
	a = a / 10;
}
printf("%d", d);
return 0;