int main(){
    int n, val;
    std::cin>>n; //The number of objects that is going to be created.
    Person *per[n];
 
    for(int i = 0;i < n;i++){
 
        std::cin>>val;
        if(val == 1){
            // If val is 1 current object is of type Professor
            per[i] = new Professor;
 
        }
        else per[i] = new Student; // Else the current object is of type Student
 
        per[i]->getdata(); // Get the data from the user.
 
    }
 
    for(int i=0;i<n;i++)
        per[i]->putdata(); // Print the required output for each object.
 
    return 0;
 
}

 int main(){
    int n, val;
    std::cin>>n; //The number of objects that is going to be created.
    Person *per[n];
 
    for(int i = 0;i < n;i++){
 
        std::cin>>val;
        if(val == 1){
            // If val is 1 current object is of type Professor
            per[i] = new Professor;
 
        }
        else per[i] = new Student; // Else the current object is of type Student
 
        per[i]->getdata(); // Get the data from the user.
 
    }
 
    for(int i=0;i<n;i++)
        per[i]->putdata(); // Print the required output for each object.
 
    return 0;
 
}

int main(){

    int n, val;
    std::cin>>n; //The number of objects that is going to be created.
    Person *per[n];

     for(int i = 0;i < n;i++){

         std::cin>>val;
        if(val == 1){
            // If val is 1 current object is of type Professor
            per[i] = new Professor;

         }
        else per[i] = new Student; // Else the current object is of type Student

         per[i]->getdata(); // Get the data from the user.

     }

     for(int i=0;i<n;i++)
        per[i]->putdata(); // Print the required output for each object.

     return 0;

 }

 int main(){
    int n, val;
    std::cin>>n; //The number of objects that is going to be created.
    Person *per[n];
 
    for(int i = 0;i < n;i++){
 
        std::cin>>val;
        if(val == 1){
            // If val is 1 current object is of type Professor
            per[i] = new Professor;
 
        }
        else per[i] = new Student; // Else the current object is of type Student
 
        per[i]->getdata(); // Get the data from the user.
 
    }
 
    for(int i=0;i<n;i++)
        per[i]->putdata(); // Print the required output for each object.
 
    return 0;
 
}

This is just simple code to practice the use of virtual functions from a practice challenge in HackerRank. Could you give me some advice about the best practices and style?

int main(){
    int n, val;
    std::cin>>n; //The number of objects that is going to be created.
    Person *per[n];
 
    for(int i = 0;i < n;i++){
 
        std::cin>>val;
        if(val == 1){
            // If val is 1 current object is of type Professor
            per[i] = new Professor;
 
        }
        else per[i] = new Student; // Else the current object is of type Student
 
        per[i]->getdata(); // Get the data from the user.
 
    }
 
    for(int i=0;i<n;i++)
        per[i]->putdata(); // Print the required output for each object.
 
    return 0;
 
}

This is just simple code to practice the use of virtual functions from a practice challenge in HackerRank. Could you give me some advice about the best practices and style?

int main(){

    int n, val;
    std::cin>>n; //The number of objects that is going to be created.
    Person *per[n];
 

    for(int i = 0;i < n;i++){
 

        std::cin>>val;
        if(val == 1){
            // If val is 1 current object is of type Professor
            per[i] = new Professor;
 

        }
        else per[i] = new Student; // Else the current object is of type Student
 

        per[i]->getdata(); // Get the data from the user.
 

    }
 

    for(int i=0;i<n;i++)
        per[i]->putdata(); // Print the required output for each object.
 

    return 0;
 

}