create change for an amount

greedy_change

#Author: Chris niesel
#include <stdio.h>

int main(void) {
	int currency[] = {20,10,5,2,1};
	int amount = 59;
	int num;
	int i =0;
	for(i;i<5;i++){
		if(currency[i]<=amount)
			{
				num = amount / currency[i];
				printf("%dx $%d\n",num, currency[i]);
				amount -=num*currency[i];
			}
	}
	return 0;
}