Code:
#include<iostream>
#include<algorithm> //for std::sort
#include<string>

using namespace std;

struct student
{
  int id;
  string name;
  string nationality;
  string gender; 
};

void insert(student array[],const  unsigned int MAX_STUDENT);  

bool sortByID(const student& a, const student& b)
{
    return ( a.id < b.id );
}


char sortByName(const student& a, const student& b)
{
    return ( a.name < b.name);
}

char sortByNationality(const student& a, const student& b)
{
    return (a.nationality < b.nationality);
}

void mySort(student array[],const unsigned int MAX)
{
    int opt = 0;
    cout<<"Welcome to sorting function please do the following selection"<<endl;
    cout<<"***************************************************"<<endl;
    cout<<"* 1.Sort by student ID"<<endl;
    cout<<"* 2.Sort by student Name"<<endl;
    cout<<"* 3.Sort by Nationality"<<endl;
    cout<<"***************************************************"<<endl;
    cout<<"Selection: ";
    cin >> opt;
    cout<<"\n\n";

    switch(opt)
    {
        case 1: std::sort(array,array+MAX,sortByID); break;
        case 2:    std::sort(array,array+MAX,sortByName); break;
        case 3:    std::sort(array,array+MAX,sortByNationality);break;
    }

}

void display(const student array[], unsigned int MAX);
int main()
{    
    const unsigned int MAX_SIZE = 2;
    student array[MAX_SIZE];

    int option = 0;
    bool exitProgram = false;

    do
    { 
        cout <<"Welcome to student recording system"<<endl;
        cout <<"Please choose one of the following option\n\n"<<endl;
        cout <<"1.Insert new record"<<endl;
        cout <<"2.Sort record"<<endl;
        cout <<"3.Delete record"<<endl;
        cout <<"4.Display record"<<endl;
        cout <<"0) Exit program\n\n\n";
    
         cin >> option;

         switch(option)
         {
            case 1: insert(array,MAX_SIZE);  break;

            case 2:    cout<<"you picked sorting\n";
                    cout<<"Now sorting\n\n\n";
                    mySort(array,MAX_SIZE);
                    cout<<"Sorting done\n\n\n";
                    break;

            case 3: //do delete
            case 4:   display(array,MAX_SIZE); break;

            default : exitProgram = true; break;
         }

        }while(!exitProgram);             
      

    return 0;

}
void insert(student array[],const  unsigned int MAX_STUDENT)
{

    cout<<"\n\n";

  for(unsigned int i = 0 ; i < MAX_STUDENT; i++)
  {

    cout<<"For student #"<<(i+1)<<endl<<endl;;
    cout <<"Enter student ID: ";
    cin >>array[i].id;
    cin.ignore(100,'\n');
    cout<<endl;
    
    cout <<"Enter student name: ";
    cin >>array[i].name;
    cin.ignore(100,'\n');
    cout<<endl;
    
    cout <<"Enter student nationality:  ";
    cin >>array[i].nationality;
    cin.ignore(100,'\n');
    cout<<endl;
    
    cout <<"Enter student gender:  ";
    cin >>array[i].gender;
    cin.ignore(100,'\n');
    cout<<endl;
    }
}

void display(const student array[], unsigned int MAX)
{
    cout<<"\\************************************************\\"<<endl;
    for(unsigned int i = 0; i < MAX; i++)
    {        
        cout<<"---------------------------------------------------"<<endl;;
        cout<<"Student #:"<<(i+1)<<endl;
        cout<<"ID# : "<<array[i].id<<endl;
        cout<<"Name : "<<array[i].name<<endl;
        cout<<"Nationality : "<<array[i].nationality<<endl;        
        cout<<"Gender : "<<array[i].gender<<endl<<endl;
        cout<<"---------------------------------------------------"<<endl;;
    
    }
    cout<<"\n\\************************************************\\"<<endl;
}
================================================== ======

anyone got any idea how to create a delete function ?? asap . Thx in advandce

Last edited by shabbir; 17Sep2009 at 13:20.. Reason: Code blocks