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  1. #include <iostream>
  2. #include <map>
  3. #include <vector>
  4. #include <string>
  5. #include <algorithm>
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10. map<string,vector<int>> countriesAndYears;
  11.  
  12. int n;
  13. string country;
  14. int year,visit;
  15. cin >> n;
  16. for(int i=0;i<n;++i)
  17. {
  18. cin >> country >> year;
  19. countriesAndYears[country].push_back(year);
  20. }
  21. for (auto& elem : countriesAndYears)
  22. {
  23. sort(elem.second.begin(),elem.second.end());
  24. }
  25. cin >> n;
  26. for(int i=0;i<n;++i)
  27. {
  28. cin >> country >> visit;
  29. cout << countriesAndYears[country][visit-1] << "\n";
  30. }
  31. return 0;
  32. }
Success #stdin #stdout 0s 16072KB
stdin
4
Iceland 2014
Iceland 2015
Iceland 2015
Iceland 2016
4
Iceland 4
Iceland 3
Iceland 2
Iceland 1
stdout
2016
2015
2015
2014