View Code of Problem 86

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