//Made by Vlad. Budnitski.
//AlphaTech - Programming Course.

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

int main()
{
	float x1, y1, x2, y2;
	float distance;
	printf("Enter X1: ");
	scanf("%f", &x1);
	printf("Enter Yl: ");
	scanf("%f", &y1);
	printf("Enter X2: ");
	scanf("%f", &x2);
	printf("Enter Y2: ");
	scanf("%f", &y2);
	distance = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
	printf("The distance between the points (%.2f, %.2f) and (%.2f, %.2f) is %.2f\n", x1, y1, x2, y2, distance);
	return 0;
}