StefiIOE

ZASHTO NE RABOTISH VO C++>???

Mar 11th, 2020 (edited)
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  1. #include<iostream>
  2. #include<math.h>
  3. using namespace std;
  4. typedef struct point2D {
  5.     double x;
  6.     double y;
  7. }
  8. point2D;
  9.  
  10. float distance2D ( point2D t1, point2D t2) {
  11.     return sqrt((t1.x-t2.x)*(t1.x-t2.x)+(t1.y-t2.y)*(t1.y-t2.y));
  12. }
  13.  
  14. typedef struct point3D {
  15.     double x;
  16.     double y;
  17.     double z;
  18.  
  19. }
  20. point3D;
  21.  
  22. float distance3D (point3D t1, point3D t2) {
  23.  
  24.     return sqrt ((t1.x-t2.x)*(t1.x-t2.x)+(t1.y-t2.y)*(t1.y-t2.y)+(t1.z-t2.z)*(t1.z-t2.z));
  25.  
  26. }
  27.  
  28. int is_collinear(point2D t1, point2D t2, point2D t3) {
  29.     if((t2.y-t1.y)/(t2.x-t1.x)==(t3.y-t2.y)/(t3.x-t2.x))
  30.         return 1;
  31.     else
  32.         return 0;
  33.  
  34. }
  35.  
  36. int main () {
  37.     float x1, y1, x2, y2;
  38.    
  39.     cin>>x1,y1;
  40.    
  41.     cin>>x2,y2;
  42.  
  43.     point2D t1 = {x1, y1};
  44.     point2D t2 = {x2, y2} ;
  45.  
  46.     cout<<distance2D(t1,t2)<<'\n';
  47.    
  48.     float z1, z2;
  49.    
  50.     cin>>z1,z2;
  51.    
  52.     point3D t3 = {x1,y1,z1};
  53.     point3D t4 = {x2,y2,z2};
  54.  
  55.     cout<<distance3D(t3,t4)<<'\n';
  56.  
  57.     point2D t5= {z1,z2};
  58.  
  59.     cout<<is_collinear(t1,t2,t5);
  60.  
  61.     return 0;
  62. }
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