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  1. #include <iostream>
  2. #include <vector>
  3. #include <math.h>
  4. using namespace std;
  5. struct jcv_point
  6. {
  7. 	float x, y;
  8. };
  9. int random(int min, int max) //range : [min, max]
  10. {
  11.     static bool first = true;
  12.     if (first)
  13.     {
  14.         srand(time(NULL)); //seeding for the first time only!
  15.         first = false;
  16.     }
  17.     return min + rand() % ((max + 1) - min);
  18. }
  19.  
  20.  
  21. int main() {
  22. 	// your code goes here
  23.  
  24. 	 int count  = 8;
  25.        jcv_point p1, p2, p3;
  26.         p1.x = 325;
  27.         p1.y = 239;
  28.         p2.x = 431;
  29.         p2.y = 448;
  30.         p3.x = 640;
  31.         p3.y = 685;
  32.         float radius = 100;
  33.         std::vector<jcv_point>  grid;
  34.         std::vector<int> rand_nums;
  35.  
  36.         for (int i = 20; i < 1000; i++)
  37.         {
  38.             for (int j = 20; j < 1000; j++)
  39.             {
  40.                 float x = (float)i;
  41.                 float y = (float)j;
  42.  
  43.                 float distance1 = sqrt(pow(p1.x - x, 2) + pow(p1.y - y, 2));
  44.                 float distance2 = sqrt(pow(p2.x - x, 2) + pow(p2.y - y, 2));
  45.                 float distance3 = sqrt(pow(p3.x - x, 2) + pow(p3.y - y, 2));
  46.  
  47.                 if (distance1 > radius && distance2 > radius && distance3 > radius)
  48.                 {
  49.                     jcv_point p;
  50.                     p.x = x;
  51.                     p.y = y;
  52.                     grid.push_back(p);
  53.                     int idx = random(0, grid.size());
  54.                     rand_nums.push_back(idx);
  55.  
  56.                 }
  57.             }
  58.         }
  59.  
  60.         for (int i = 0; i < count; ++i)
  61.         {
  62.             int idx = random(0, grid.size());
  63.             float x  = grid[rand_nums[idx]].x;
  64.             float y = grid[rand_nums[idx]].y;
  65.             cout<<x <<","<<y<<endl;
  66.         } 
  67.  
  68. 	return 0;
  69. }
Success #stdin #stdout 0.03s 17448KB
comments (?)
stdin 
Standard input is empty
stdout 
280,40
123,372
666,389
309,631
253,869
823,232
543,207
26,398
https://ideone.com/80jFm2
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
secret

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