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;
int add=0;
scanf("%d\n",&n);
while(n>0)
{
add=n%10+add;
n=n/10;
}
printf("%d\n",add);
}
