#include<stdio.h>

double add_items(double *array){
	double sum = 0;
	for( ; *array != 0.0; array++) {
		sum += *array;
		*array += 10.0;
	}

	return sum;
}

int main(){
	double a[] = {3.14, 5.16, 7.83, 0.0};
	printf("Sum:  %lf\n", add_items(a));


	for(double *array = a; *array != 0.0; array++) {
		printf("*array = %lf\n", *array);
	}
	
}