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  1. #include <iostream>
  2. #include <map>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	std::map<int, int> map;
  7. 	for (int i = 0 ; i < 10 ; i++)
  8. 	{
  9. 		map[i]++;
  10. 	}
  11.  
  12. 	for (int i = 0 ; i < 10 ; i+=2)
  13. 	{
  14. 		map[i]++;
  15. 	}
  16.  
  17. 	for(auto item : map)
  18. 	{
  19. 		if (item.second % 2 == 1)
  20. 		{
  21. 			cout << item.first;
  22. 		}
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/XqXSIS
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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