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  1. #include <iostream>
  2. #include <string>//данная библиотека содержит методы и переменные для работы со строками
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8. 	if (n % 2 == 0) cout << "Ok";
  9. 	else {
  10. 		int x[200];
  11. 		for ( int i = 65; i <= 122; i++)
  12. 			x[i] = 0;
  13. 		char c;
  14. 		while ((c = cin.get()) != EOF)
  15. 			x[c]++;
  16. 		for (int i = 'A'; i <= 'z'; i++)
  17. 			if (x[i] % 2 != 0) 
  18. 				c = i;
  19. 		cout << c;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4360KB
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https://ideone.com/2qSwHf
e-olymp 2807
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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