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  1. #include<iostream>
  2. #include<string>
  3. #include<vector>
  4. #include<map>
  5. #include<algorithm>
  6. #include<queue>
  7. #include<fstream>
  8. using namespace std;
  9.  
  10. int main()
  11. {
  12. 	string s;
  13. 	cin >> s;
  14. 	int arr[26] = { 0 };
  15. 	for (int i = 0; i < s.size(); i++)
  16. 		arr[s[i] - 'a']++;
  17.  
  18. 	int odd = 0;
  19. 	for (int i = 0; i < 26; i++)
  20. 	{
  21. 		if (arr[i] % 2 == 1)
  22. 			odd++;
  23. 	}
  24.  
  25. 	if (odd > 1)
  26. 		cout << "NO" << endl;
  27. 	else
  28. 		cout << "YES" << endl;
  29.  
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 4404KB
comments (?)
stdin
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Standard input is empty
stdout
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YES
https://ideone.com/iEuhZ1
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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