新思维：C语言程序设计

#include <stdio.h>
 
int main(int argc, char *argv[])
{
	int a, n;
	int ia, i, sum;
 
	ia=i=sum=0;
 
	scanf("%d %d", &a, &n);
 
	while (i<n) {
		ia = ia*10 + a;
		sum = sum + ia;
		i++;
	}
 
	printf("%dn", sum);
	return 0;
}