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

#define PI 3.14159265

int main()
{
float x,y,z;
float angle1, angle2 ;
int num;
double x1,x2, z1;
/* Geometry  in X-Z plane

                               Z
				|
 				|
				|
         A6         A7          | A8      A9           A10
          ______________________|________________________
         |          |           |          |   		|
         |          |		|	   |		|
	 |	    |		|	   |		|
 	 |	    |		|	   |		|
	 |	    |		|	   |		|
	 |	    |		|	   |		|
	 |	    |		|	   |		|
	 |	    |		|	   |		|
	 |	    |		|	   |		|
	 |	    |		|__________|____________|____________X	 
         |	    |		|	   |		|
	 |__________|___________|__________|____________|
        A1          A2          A3         A4           A5
           Tower4      Tower3      Tower2     Tower1

*/

int A1x =-80.0 ,A2x =-40.0 ,A3x =0.0, A4x =40.0, A5x =80.0;
int A6x =-80.0 ,A7x =-40.0 ,A8x =0.0, A9x =40.0, A10x =80.0;

int A1z =-10.0 ,A2z = -10.0 ,A3z =-10.0, A4z =-10.0, A5z =-10.0;
int A6z = 50.0 ,A7z = 50.0 ,A8z =50.0, A9z =50.0, A10z =50.0;

int ZminI= -10, ZminO= -20,ZmaxI =50, ZmaxO=70;
int XminI= -80, XminO= -90,XmaxI =80, XmaxO=90;

 printf("\n\n This program gives the range of angles within which it is required to fire to span the specified number of towers \n\n");

printf("enter the coordinates of the point(in cm) where the particle originates \n");


scanf("%f %f %f",&x,&y,&z);

printf(" enter the tower number to be spanned- has to be between 1 and 4");

scanf ("%d",&num);
 
z1= z - ZminI;
if (x > XmaxI)
{
x1= (XmaxI/2)*num + (x - XmaxI);
x2= (XmaxI/2)*(num -1)+(x - XmaxI);
}else{
 switch(num) 
 {
  case 1 :  x1= A4x-x;
            x2=  A5x -x;
            break;
  case 2 :  x1=A3x -x;
            x2= A4x -x;
            break;

  case 3 :  x1= A2x -x ;
            x2= A3x -x;
            break;

  case 4 :  x1=A1x -x;
            x2= A2x -x;
            break;
 }