View Code of Problem 86

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