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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define GG ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  4. int main () { GG;
  5. int n;	string x;
  6. cin>>n;
  7. map<string,int> m;
  8.  
  9. for(int i=0;i<n;i++)
  10. {	cin>>x;
  11. 	if(m.count(x))
  12. 	{ cout<<x<<m[x]<<"\n";
  13. 	  m[x]++; 
  14. 	}
  15. 	else
  16. 	{ m.insert({x,1});
  17. 	  cout<<"OK\n";
  18. 	}
  19. }
  20.  
  21. return 0;}
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
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6
first
first
second
second
third
third
stdout
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OK
first1
OK
second1
OK
third1
https://ideone.com/7Y7AVy
language:
C++ (gcc 8.3)
created:
10 days ago
visibility:
public

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