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  1. #include <iostream>
  2. #include <vector>
  3. #include <random>
  4. #include <algorithm>
  5.  
  6. std::vector<int> MakeRndArray(int Min, int Max, int Count, bool IsSort = false){
  7. 	std::random_device rd;
  8. 	std::mt19937 mt(rd());
  9. 	std::uniform_int_distribution<> uid(Min, Max);
  10. 	std::vector<int> vec(Count);
  11.  
  12. 	for (auto& o : vec) o = uid(mt);
  13.  
  14. 	if (IsSort == true) std::sort(vec.begin(), vec.end());
  15.  
  16. 	return vec;
  17. }
  18.  
  19. int main(){
  20.  
  21. 	auto A = MakeRndArray(1, 16, 4, true);
  22. 	std::cout <<"First:" << '[';
  23. 	for (auto& o : A) std::cout << o << ',';
  24. 	std::cout << ']';
  25. 	std::cout << std::endl;
  26. 	while (std::next_permutation(A.begin(), A.end()))
  27. 	{
  28. 		std::cout << '[';
  29. 		for (auto& o : A) std::cout << o << ',';
  30. 		std::cout << ']';
  31. 		std::cout << std::endl;
  32. 	}
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 3476KB
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stdin
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Standard input is empty
stdout
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First:[4,5,11,13,]
[4,5,13,11,]
[4,11,5,13,]
[4,11,13,5,]
[4,13,5,11,]
[4,13,11,5,]
[5,4,11,13,]
[5,4,13,11,]
[5,11,4,13,]
[5,11,13,4,]
[5,13,4,11,]
[5,13,11,4,]
[11,4,5,13,]
[11,4,13,5,]
[11,5,4,13,]
[11,5,13,4,]
[11,13,4,5,]
[11,13,5,4,]
[13,4,5,11,]
[13,4,11,5,]
[13,5,4,11,]
[13,5,11,4,]
[13,11,4,5,]
[13,11,5,4,]
https://ideone.com/CAHCou
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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