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