View Code of Problem 86

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