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

int main()
{

    float x1, x2, y1, y2;
    float distance;

    printf("Please enter the first point: \n");
    printf("X1: ");
    scanf("%f", &x1);
    printf("Y1: ");
    scanf("%f", &y1);
    // scanf("%d %d", &x1, &y1);

    printf("Please enter the second point: \n");
    printf("X2: ");
    scanf("%f", &x2);
    printf("Y2: ");
    scanf("%f", &y2);

    // scanf("%d %d", &x2, &y2);

    printf("Firts Point P1(%.3f,%.3f)\n", x1, y1);
    printf("Second Point P2(%.3f,%.3f)\n", x2, y2);

    distance = (float)sqrt(pow((x2 - x1), 2) + pow((y2 - y1), 2));

    printf("The distance between P1 and P2 is equal to: %.3f\n", distance);

    return 0;
}