题解 | 数位之和
数位之和
https://www.nowcoder.com/practice/5e85cc26475449648e668aa98e92d05b
#include <stdio.h>
#include <stdlib.h>
int main() {
int n = 0;
int sum = 0;
int num = 0;
scanf("%d",&n);
if (n < 0) {
n = abs(n);
}
while (n != 0) {
num = n % 10;
sum += num;
n /= 10;
}
printf("%d",sum);
return 0;
}
