题解 | #数位之和#
数位之和
http://www.nowcoder.com/practice/5e85cc26475449648e668aa98e92d05b
#include<stdio.h>
int main(){
int n,m,sum=0;
scanf("%d",&n);
for(long long i=1;i<=n;i*=10){
m=n/i%10;
sum+=m;
}
printf("%d",sum);
return 0;
}
