View Code of Problem 86

#include<stdio.h>
#include<math.h>
int main()
{
  int a,n,sum1=0,sum2=0,sum3=0,i;
  scanf("%d%d",&a,&n);
  for(i=0;i<n;i++)
  {
    sum1=a*pow(10,i);
    sum2+=sum1;
    sum3+=sum2;
  }
  printf("%d\n",sum3);
  return 0;
}