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  1. #include <iostream>
  2. #include<set> 
  3. using namespace std;
  4.  
  5. class Athlete{
  6. public: 
  7. 	string n;
  8. 	double t; 
  9. 	Athlete(string n, double t) : n(n), t(t) {}
  10. 	bool operator< (const Athlete a)const {
  11. 		return t < a.t;
  12. 		}
  13. };
  14.  
  15. Athlete findFastestRunner(const set<Athlete>& s) {
  16.     return *s.begin();
  17. }
  18.  
  19. void printResultsInRange(const set<pair<int, Athlete>>& results, int fromPlace, int toPlace) {
  20.     for (set<pair<int, Athlete>>::const_iterator it = results.begin(); it != results.end(); ++it) {
  21.         int place = it->first;
  22.         if (place >= fromPlace && place <= toPlace) {
  23.             cout << place << ". " << it->second.n << " - " << it->second.t << " s" << endl;
  24.         }
  25.     }
  26. }
  27.  
  28. int main(){
  29. 	set<Athlete> s;
  30. 	set<Athlete>::iterator iter;
  31. 	s.insert(Athlete("James", 45.8)); s.insert(Athlete("Alex", 51.9));
  32. 	s.insert(Athlete("Nikolas", 47.9)); s.insert(Athlete("Luka", 49.6));
  33. 	for (const auto& athlete : s) {
  34.         cout << athlete.n << " - " << athlete.t << " s" << endl;
  35.     }
  36.     Athlete f = findFastestRunner(s);
  37.     cout << "\Fastest: " << f.n << "; time: " << f.t << " s" << endl;
  38.  
  39.     set<pair<int, Athlete>> results;
  40.     int place = 1;
  41.     for (const auto& athlete : s) {
  42.         results.insert({place, athlete});
  43.         place++;
  44.     }
  45.  
  46.    cout << "Result:"<<endl;
  47.     for (const auto& res : results) {
  48.         cout << res.first << ". " << res.second.n << " - " << res.second.t << " s" << endl;
  49.     }
  50.  
  51.     cout << "Results from 2nd to 3rd place:" << endl;
  52.     printResultsInRange(results, 2, 3);
  53.  
  54.  
  55.     return 0;
  56. }
  57.  
  58.  
  59.  
  60.  
  61.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
James - 45.8 s
Nikolas - 47.9 s
Luka - 49.6 s
Alex - 51.9 s
Fastest: James; time: 45.8 s
Result:
1. James - 45.8 s
2. Nikolas - 47.9 s
3. Luka - 49.6 s
4. Alex - 51.9 s
Results from 2nd to 3rd place:
2. Nikolas - 47.9 s
3. Luka - 49.6 s
https://ideone.com/q8wxvO
language:
C++14 (gcc 8.3)
created:
15 days ago
visibility:
public

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