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  1. #include <iostream>
  2. using namespace std;
  3. #include <list>
  4. struct Student
  5. {
  6. 	string lastname;
  7. 	int course;
  8. 	int mathAn;
  9. 	int mathAl;
  10. };
  11. void printlist(list<Student> &lst){
  12. 	for(list<Student>::iterator it = lst.begin(); it != lst.end(); it++)
  13. 	 cout<< (*it).lastname<<" "<< (*it).course<<" "<<(*it).mathAn<<" "<<(*it).mathAl<<" ";
  14. 	cout<<endl;
  15. }
  16. bool compareLastname(const Student& a, const Student& b){
  17.     return a.lastname < b.lastname;
  18. }
  19. bool compareCourse(const Student& a, const Student& b){
  20.     return a.course < b.course;
  21. }
  22. bool lowMark(const Student& s){
  23.     return (s.mathAn < 60 || s.mathAl < 60);
  24. }
  25. int main() {
  26. 	 list<Student> lst;
  27.     lst.push_back({"Ivanov", 1, 75, 80});
  28.     lst.push_back({"Frolov", 2, 55, 70});
  29.     lst.push_back({"Cheprazov", 1, 90, 95});
  30.     lst.push_back({"Pinti", 2, 61, 62});
  31.     lst.push_back({"Georgiev", 1, 45, 88});
  32.     lst.push_back({"Bondar", 2, 78, 85});
  33.     cout << "Початковий список:" << endl;
  34.     printlist(lst);
  35.     lst.sort(compareLastname);
  36.     cout << "sort lastname" << endl;
  37.     printlist(lst);
  38.     lst.sort(compareCourse);
  39.     cout << "sort coyrse" << endl;
  40.     printlist(lst);
  41.     for(list<Student>::iterator it = lst.begin(); it != lst.end(); it++){
  42.         if(it->mathAn > 60 && it->mathAl > 60){
  43.             it->course++;
  44.         }
  45.     }
  46.     cout << "next course" << endl;
  47.     printlist(lst);
  48.     lst.remove_if(lowMark);
  49.  
  50.     cout << "<60:" << endl;
  51.     printlist(lst);
  52. 	return 0;
  53. }
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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Початковий список:
Ivanov 1 75 80 Frolov 2 55 70 Cheprazov 1 90 95 Pinti 2 61 62 Georgiev 1 45 88 Bondar 2 78 85 
sort lastname
Bondar 2 78 85 Cheprazov 1 90 95 Frolov 2 55 70 Georgiev 1 45 88 Ivanov 1 75 80 Pinti 2 61 62 
sort coyrse
Cheprazov 1 90 95 Georgiev 1 45 88 Ivanov 1 75 80 Bondar 2 78 85 Frolov 2 55 70 Pinti 2 61 62 
next course
Cheprazov 2 90 95 Georgiev 1 45 88 Ivanov 2 75 80 Bondar 3 78 85 Frolov 2 55 70 Pinti 3 61 62 
<60:
Cheprazov 2 90 95 Ivanov 2 75 80 Bondar 3 78 85 Pinti 3 61 62
https://ideone.com/KPhOlC
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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