题解 | 数位之和
数位之和
https://www.nowcoder.com/practice/5e85cc26475449648e668aa98e92d05b
#include <stdio.h>
//位数不确定用循环解决
int main() {
int a=0;
int b=0;
int c=0;
scanf("%d",&a);
for(;a!=0;){
b=a%10;
a=a/10;
c=c+b;
}
printf("%d",c);
return 0;
}
