题解 | #数位之和#
数位之和
https://www.nowcoder.com/practice/5e85cc26475449648e668aa98e92d05b
#include <stdio.h>
int sum(int a)
{
int result=0;
while(a>0)
{
result+=a%10;
a=a/10;
}
return result;
}
//这里其实稍微复杂了一点，但是用到了递归的思想
int main() {
int a;
scanf("%d", &a);
printf("%d",sum(a));
return 0;
}
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