1  #include <iostream>
 2  
 3  using namespace std;
 4  
 5  class Student {
 6  private:
 7      int id;
 8      string name;
 9      int numSubjects;
10      float *marks;
11  
12  public:
13  
14      Student (int id = 0, string name = "", int numSubjects = 0)
15      {
16          this->id = id;
17          this->name = name;
18          this->numSubjects = numSubjects;
19      };
20  
21      void accept() {
22          cout << "\nEnter Student ID: ";
23          cin >> id;
24          cin.ignore();
25          cout << "Enter Student Name: ";
26          getline(cin, name);
27          cout << "Enter Number of Subjects: ";
28          cin >> numSubjects;
29  
30          marks = new float[numSubjects];
31          for (int i = 0; i < numSubjects; i++) {
32              cout << "Enter marks for Subject " << i + 1 << ": ";
33              cin >> marks[i];
34          }
35      }
36  
37      void display() {
38          cout << "Student ID: " << id << endl;
39          cout << "Student Name: " << name << endl;
40          cout << "Number of Subjects: " << numSubjects << endl;
41          cout << "Marks:" << endl;
42          for (int i = 0; i < numSubjects; i++) {
43              cout << "Subject " << i + 1 << ": " << marks[i] << endl;
44          }
45          cout << "\n";
46      }
47  
48      ~Student() {
49          delete[] marks;
50      }
51  };
52  
53  int main() {
54      int n;
55      cout << "Enter number of students: ";
56      cin >> n;
57  
58      Student *students = new Student[n];
59  
60      for (int i = 0; i < n; i++) {
61          cout << "\nEnter details for Student " << i + 1 << ":" << endl;
62          students[i].accept();
63      }
64  
65      cout << "\nStudent Mark Lists:\n";
66      for (int i = 0; i < n; i++) {
67          students[i].display();
68      }
69  
70      delete[] students;
71      return 0;
72  }