View Code of Problem 86

# include<stdio.h>
# include<math.h>
int main(void)
{
  int i,t,n,sum =0;
  scanf("%d %d",&t,&n);
  int a[n];
  a[0] = t;
  for(i=1;i<n;++i)
  {
    a[i] = t*pow(10,i) + a[i-1];
  }
  for(i=0;i<n;++i)
  {
    sum = sum + a[i];
  }
  printf("%d",sum);
  return 0;
}

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