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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <vector>
  4. using namespace std;
  5. class Noisy
  6. {
  7. public:
  8.     Noisy(const int & id): m_id(id)
  9.     {
  10.     }
  11.  
  12.     Noisy(const Noisy & obj)
  13.     {
  14.         m_id = obj.m_id;
  15.     }
  16.  
  17.     virtual ~Noisy()
  18.     {
  19.     }
  20.  
  21.     bool operator<(const Noisy & obj) const
  22.     {
  23.         return m_id < obj.m_id;
  24.     }
  25.  
  26.     friend ostream & operator <<(ostream & os, const Noisy & obj)
  27.     {
  28.         return os << "Noisy " << obj.m_id;
  29.     }
  30.  
  31. private:
  32.     int m_id;
  33. };
  34.  
  35. int main() {
  36. 	vector<Noisy> tab;
  37. 	for(size_t i = 0; i < 10; ++i){
  38. 		tab.emplace_back(i);
  39. 	}
  40. 	for(auto el: tab) cout << el << " "; cout << endl;
  41. 	random_shuffle(begin(tab), end(tab));
  42. 	for(auto el: tab) cout << el << " "; cout << endl;
  43. 	sort(begin(tab), end(tab));
  44. 	for(auto el: tab) cout << el << " "; cout << endl;
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 3416KB
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stdin
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Standard input is empty
stdout
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Noisy 0 Noisy 1 Noisy 2 Noisy 3 Noisy 4 Noisy 5 Noisy 6 Noisy 7 Noisy 8 Noisy 9 
Noisy 4 Noisy 3 Noisy 7 Noisy 8 Noisy 0 Noisy 5 Noisy 2 Noisy 1 Noisy 6 Noisy 9 
Noisy 0 Noisy 1 Noisy 2 Noisy 3 Noisy 4 Noisy 5 Noisy 6 Noisy 7 Noisy 8 Noisy 9
https://ideone.com/PmhlYQ
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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