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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. class username{
  7. public:
  8.     username(string a = "A");
  9.     friend istream & operator >> (istream & in, username & a);
  10.     friend ostream & operator << (ostream & out, username & a);
  11.     friend int isThere (int n, int a, username * base);
  12. private:
  13.     string nick;
  14.     };
  15.  
  16. username::username(string a){
  17.     nick = a;
  18. }
  19.  
  20. istream & operator>>(istream &in, username &a){
  21. 	string name;
  22. 	in >> name;
  23. 	a = username(name);
  24. 	return in;
  25. }
  26. ostream & operator<<(ostream &out, username &a){
  27. 	out << a.nick;
  28. 	return out;
  29. }
  30.  
  31. int isThere (int n, int curPos, username * base){
  32.     int c = 0;
  33.     for(int i = 0; i < n; i++)
  34.         if(base[curPos].nick == base[i].nick)
  35.             c++;
  36.     return c;
  37. }
  38.  
  39. int main()
  40. {
  41.     std::ios::sync_with_stdio(false);
  42.     int n = 0;
  43.     cin >> n;
  44.     username* nBase = new username[n];
  45.     for(int i = 0; i<n; i++){
  46.         cin >> nBase [i];
  47.         int counter = isThere(i, i, nBase);
  48.         if(counter == 0)
  49.             cout << "OK" << endl;
  50.         else
  51.             cout << nBase[i] << counter << endl;
  52.     }
  53. 	return 0;
  54. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/8aXkqL
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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