quick sort problem .. made the code function correctly .

Question

Hi


display unsored records first and then display sorted record using quick sort (according to ID). alsdeo repeat the above on three sets of student records.Its keep getting Error, but i dont have Idea~ please help me and check my code


#ifndef pro5_H
#define pro5_H


#include<iostream>
#include <cstring>
#include<iomanip>
#include<vector>


using namespace std;




class Student
{
private:
string nam;
int iden;
double grade;
string address;
int test1;
int test2;
int test3;
int test4;
int test5;
int test6;
int test7;
int test8;
int test9;
int test10;




public:
void setRecord( string name, int ID, double GPA, string addr, int t1,int t2,int t3,int t4,int t5,int t6,int t7,int t8,int t9,int t10);


void print();
int partition( vector<Student>array,int start, int end);
void quicksort(vector<Student>array, int start, int end);
void swap(Student &st1, Student &st2)


};






void Student::setRecord( string name, int ID, double GPA, string addr, int t1,int t2,int t3,int t4,int t5,int t6,int t7,int t8,int t9,int t10)
{


nam=name;
iden=ID;
grade=GPA;
address=addr;
test1=t1;
test2=t2;
test3=t3;
test4=t4;
test5=t5;
test6=t6;
test7=t7;
test8=t8;
test9=t9;
test10=t10;
}


int Student::partition(vector<Student> array,int first, int end)
{


int pivot, index, mid;
swap(array[first], array[mid]);
index=first;
pivot=array[first].iden;
for(int i= first+1; i<=end;i++)
{
if(array[i].iden<pivot)
{
index++;
swap(array[index],array[i]);


}
}
swap(array[first],array[index]);
return index;




}


void Student::quicksort(vector<Student> array,int first, int end)
{
int temp;
if(first< end)
{
temp=partition(array,first,end);
quicksort(array, first, temp-1);
quicksort(array, temp+1, end);
}
}
void swap(Student &st1, Student &st2)
{
Student temp= st1;
st1=st2;
st2=temp;
}


void Student::print()
{


cout<<nam<<" "<<iden<<" "<< grade<<" "<<address<<" "<<test1<<" "<<test2<<" "<<test3<<" "<<test4<<" "<<test5<<" "<<test6<<" "<<test7<<" "
<<test8<<" "<<test9<<" " <<test10<<" "<<endl;


}
#endif
#include "pro5.h"
#include <iostream>
#include <string>
#include <vector>


using namespace std;




int main()
{
Student v[20];
vector<Student>V;
v[0].setRecord("Ryan",1234,3.2, "Austin",50,90,80,57,87,98,87,39,70,89);
v[1].setRecord("Joo", 2345,3.4, "Dallas",56,87,67,98,67,90,56,45,67,84);
v[2].setRecord("Choo",3452,3.4, "Austin",76,90,89,90,93,90,98,90,99,76);
v[3].setRecord("Jay", 4123, 2.2, "San Marcos",45,67,56,44,34,23,76,54,34,43);
v[4].setRecord("Ryan",2345,4.0,"Houston", 34,25,56,78,72,81,67,89,67,56);
v[5].setRecord("koo", 3456,2.8,"Austin", 36,23,44,67,54,76,34,56,43,23);
v[6].setRecord("Lee", 9808,3.1,"Dallas",45,65,76,34,87,54,67,76,89,56);
v[7].setRecord("Kim", 7634,2.3,"Houston",45,78,97,67,89,90,89,99,87,65);
v[8].setRecord("Lisa",4560,3.5,"Dallas",67,89,90,87,89,78,67,56,90,87);
v[9].setRecord("Eric",9087,3.2,"Austin",34,56,78,87,98,67,78,67,78,87);
v[10].setRecord("Jean",8763,2.4,"Dallas",34,90,98,96,90,87,85,65,74,70);
v[11].setRecord("Bryan",7834,3.2,"Houston",87,87,89,87,67,89,67,76,76,56);
v[12].setRecord("Emi",9823,3.1,"Kyle",97,67,88,87,67,89,78,98,56,88);
v[13].setRecord("Tony",3423,3.0,"Corpus", 87,54,66,45,34,89,87,56,89,90);
v[14].setRecord("Tom",4567,2.4,"Plano", 54,67,54,78,98,90,778,87,49,87);
v[15].setRecord("Tylor",4321,1.8,"Dallas",34,43,34,56,12,23,0,0,12,43);
v[16].setRecord("Leah",2367,2.1,"Austin",43,56,78,99,87,65,43,44,78,65);
v[17].setRecord("Diana",5664,2.7,"Houston",32,56,87,97,67,87,98,67,67,78);
v[18].setRecord("Derrick",7964,2.1,"Plano",54,67,87,56,45,78,98,65,86,89);
v[19].setRecord("Corry",2317,3.3,"San Antonio",34,78,90,87,89,67,85,87,89,65);
//v[20].setRecord("Ray",1235,3.8,"Austin",87,89,98,78,89,90,98,87,90,78);
for(int i=0;i<20;i++)
{
v[i].print();
V.push_back(v[i]);
quicksort(V.push_back(v[i]), 0,v[i]);
cout<<"Sorted by Studnet ID: "<<endl;
cout<<"____________________________________________"<<endl;
cout<<endl;
v[i].print();
}


system("PAUSE");


return 0;
}

Cheers
Have a nice day