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  1. #include <iostream>
  2. #include <list>
  3. #include <string>
  4. using namespace std;
  5.  
  6. struct Student {
  7.     string lastname;
  8.     int course;
  9.     int mathAn;
  10.     int mathAl;
  11. };
  12.  
  13. void printList( list<Student> lst) {
  14.     for (list<Student>::iterator it = lst.begin(); it != lst.end(); it++)
  15.     {
  16.     cout << (*it).lastname <<" " << (*it).course << " " << (*it).mathAn << " "<< (*it).mathAl << endl;
  17.     }
  18. }
  19.  
  20. bool compare (const Student& first, const Student& second) {
  21.     return first.lastname < second.lastname;
  22. }
  23.  
  24. bool compare_course (const Student& first, const Student& second) {
  25.     return first.course < second.course;
  26. }
  27. bool digit (const Student& value) { return (value.mathAn < 60 || value.mathAl < 60); }
  28. int main() {
  29.     Student student1;
  30.     list<Student> students;
  31.     for( int i = 3; i > 0; i--) {
  32.         cout << "Enter student lastname: ";
  33.         cin >> student1.lastname;
  34.         cout << "Enter student course: ";
  35.         cin >> student1.course;
  36.         cout << "Enter student mathAn: ";
  37.         cin >> student1.mathAn;
  38.         cout << "Enter student mathAl: ";
  39.         cin >> student1.mathAl;
  40.         students.push_back(student1);
  41.     }
  42.     printList(students);
  43.     students.sort(compare);
  44.     printList(students);
  45.     students.sort(compare_course);
  46.     printList(students);
  47.  
  48.     for (list<Student>::iterator it = students.begin(); it != students.end(); it++)
  49.     {
  50.         if((*it).mathAn > 60 && (*it).mathAl > 60){
  51.             (*it).course++;
  52.         }
  53.     }
  54.     printList(students);
  55.  
  56.     for (list<Student>::iterator it = students.begin(); it != students.end(); it++)
  57.     {
  58.         if((*it).mathAn > 60 && (*it).mathAl > 60){
  59.             (*it).course++;
  60.         }
  61.     }
  62.     printList(students);
  63.     students.remove_if(digit);
  64.     cout << "After remove students with mathAn < 60 or mathAl < 60: " << endl;
  65.     printList(students);
  66.     return 0;
  67. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
fdjfjhdjk 3 64 58
jhff 5 67 98
fijdijf 4 56 55
stdout
copy 
Enter student lastname: Enter student course: Enter student mathAn: Enter student mathAl: Enter student lastname: Enter student course: Enter student mathAn: Enter student mathAl: Enter student lastname: Enter student course: Enter student mathAn: Enter student mathAl: fdjfjhdjk 3 64 58
jhff 5 67 98
fijdijf 4 56 55
fdjfjhdjk 3 64 58
fijdijf 4 56 55
jhff 5 67 98
fdjfjhdjk 3 64 58
fijdijf 4 56 55
jhff 5 67 98
fdjfjhdjk 3 64 58
fijdijf 4 56 55
jhff 6 67 98
fdjfjhdjk 3 64 58
fijdijf 4 56 55
jhff 7 67 98
After remove students with mathAn < 60 or mathAl < 60: 
jhff 7 67 98
https://ideone.com/vAbw1T
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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