View Code of Problem 86

#include<stdio.h>

int main()
{
	int a, b, n;
	int sum = 0;
	scanf("%d%d", &a, &n);
	b = a;
	for(int i = 0; i < n; i++)
	{
		sum += a;
		a = a*10+b;
	}
	printf("%d", sum);
	return 0;
}