// C EXAMPLE: Find 3D distance between points
// Compile with:  gcc -lm -o Distance3d  Distance3d.c 
// Execute with:  ./Distance3d

#include <stdio.h>
#include <math.h> 


int main ()
{
	float x1,x2,y1,y2,z1,z2,dist;
	printf ("Let me help you find the distance between two points (x1,y1) and (x2, y2)."); 

	printf ("\n\nEnter coordinate for x1:");
	scanf ("%f", &x1); 
	printf ("\nEnter coordinate for y1:");
	scanf ("%f", &y1); 
	printf ("\nEnter coordinate for z1:");
	scanf ("%f", &z1); 

	printf ("\nEnter coordinate for x2:");
	scanf ("%f", &x2); 
	printf ("\nEnter coordinate for y2:");
	scanf ("%f", &y2); 
	printf ("\nEnter coordinate for y2:");
	scanf ("%f", &z2); 
	dist= sqrt( (x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)+(z2-z1)*(z2-z1));
	printf ("The distance between (%f,%f,%f) and (%f,%f,%f) is %.2f\n\n", x1,y1,z1,x2,y2,z2,dist); 


	return 0;

}