View Code of Problem 86

#include<stdio.h>
#include<math.h>
int main()
{
	int a,n;
	scanf("%d %d",&a,&n);
	int i;
	if(n==1)
	 printf("%d",a);
	else
	{
	  int sum=a;
	  int b=a;
	  for(i=2;i<=n;i++)
	  {
		b=b*10+a;
		sum+=b;
	  }
	  printf("%d",sum);
	}

}