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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <random>
  4.  
  5. int main() {
  6.  
  7. 	std::mt19937 rnd{std::random_device{}()}; // Probably created in main
  8.  
  9. 	const std::vector<double> ys = {-0.2, -0.3, -0.4, 0.4, 0.5};
  10. 	std::uniform_int_distribution<> dis(0, ys.size() - 1);
  11.  
  12. 	for (int i = 0; i != 10; ++i) {
  13.         double y = ys[dis(rnd)];
  14. 	    std::cout << y << std::endl;
  15. 	}
  16. }
Success #stdin #stdout 0s 4552KB
comments (?)
stdin 
Standard input is empty
stdout 
0.5
-0.4
-0.2
-0.3
-0.3
0.5
-0.3
-0.2
-0.4
-0.2
https://ideone.com/yHXIaG
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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