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