#include <stdio.h>

int main()
{
	float arr[5] = {12.5, 10.0, 13.5, 90.5, 0.5};
	float *ptr1 = &arr[0];
	float *ptr2 = ptr1 + 3;
	printf("%f ", *ptr2);
	printf("%d", ptr2 - ptr1);
	return 0;

}