View Code of Problem 86

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main() {
	int a,n,i,j;
	scanf("%d %d",&a,&n);
	int sum=0;
	for(i=1;i<=n;i++){
		j=i;
		while(j){
			sum=sum+a*pow(10,--j);
		}
	}
	printf("%d",sum);
}