题解 | 求四位数各个数位之和
求四位数各个数位之和
https://www.nowcoder.com/practice/91fd90931d2847b5855075c11cf90d08
#include <stdio.h>
int main() {
int n = 0;//四位整数
scanf("%d", &n);
int sum = 0;//数位之和
while (n > 0) //累加各个数位
{
sum += n % 10;
n /= 10;
}
printf("%d", sum);
return 0;
}
