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  1. #include <iostream>
  2. #include <map>
  3.  
  4. int main()
  5. {
  6. 	std::map<int,int> wordcount;
  7. 	int read_value;
  8. 	while (std::cin >> read_value)
  9. 	  	++wordcount[read_value];
  10. 	for (auto it = wordcount.begin(); it != wordcount.end(); ++it)
  11. 	 	if (it->second > 1)
  12. 	    	std::cout << it->first << std::endl;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3436KB
comments ()
stdin 
1
1
2
3 
34
5
34
stdout 
1
34
https://ideone.com/lSTabj
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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