#include <stdio.h>int main(){ int a,b; scanf("%d",&a); b=0; while(a) { b+=a%10; a/=10; } printf("%d\n",b); return 0;} ...
#include <stdio.h>
int main()
{
int a,b;
scanf("%d",&a);
b=0;
while(a)
{
b+=a%10;
a/=10;
}
printf("%d\n",b);
return 0;
}
