Ex6.5

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

int main () {
    float x1, y1, x2, y2, h1, h2, distance;
    printf("> Enter the source coordinate (x y) (e.g: 2.1 -5): ");
    scanf("%f%f", &x1, &y1);
    printf("> Enter the destination coordinate (x y): ");
    scanf("%f%f", &x2, &y2);
    h1 = x1 - x2;
    h2 = y1 - y2;
    distance = sqrt(h1*h1 + h2*h2);
    printf("\n> Your direction of source coodinate is ");
    if (!x1 && y1) {
        if (y1 > 0)
            printf("Right North.\n");
        else
            printf("Right South.\n");
    } else if (x1 && !y1) {
        if (x1 > 0)
            printf("Right East.\n");
        else
            printf("Right West.\n");
    } else if (x1>0 && y1>0) {
        printf("North East.\n");
    } else if (x1>0 && y1<0) {
        printf("South East.\n");
    } else if (x1<0 && y1<0) {
        printf("South West.\n");
    } else if (x1<0 && y1>0) {
        printf("North West.\n");
    } else {
        printf("undefined. You are in the center of coordinate axis.\n");
    }
    printf("> Your distance between source and destination coordinate is %.3f.", distance);
    getch();
    return 0;

}