View Code of Problem 86

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