URGENT Compile

Please Can some one compile me this as soon as possible tanks

Code:

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//include libraries
#include <iostream>
using std::cout;
using std::cin;
using std::endl;

#include <string>
using std::string;

//Global constants
const int NUM_MENU_OPTIONS = 5;
const int WEEKLY_TEST_MAX = 15;
const int ASSIGNMENT1_MAX = 10;
const int ASSIGNMENT2_MAX = 15;
const int EXAM_MAX = 60;
const int NO_MARK = -1;

//function prototypes
bool getValidMenuChoice( int& );
int getResult( int&, string, int, int );
void showRequiredResult( int, int, int, int );
bool missingResults( int, int, int, int );
void reset( int&, int&, int&, int& );
int getValidInteger( int, int );
int readInteger( void );
void flushStream( void );

int main( void )
{
  int choice;
  int weeklyTests, assignment1, assignment2, finalResult;
 
  //reset to start
  reset( weeklyTests, assignment1, assignment2, finalResult );

  // now loop until the user choices the exit
  while ( getValidMenuChoice( choice ) )
  {
        // take the desired action
    switch ( choice )
    {
      case 1:
        getResult( weeklyTests,
                "What did you get for the Weekly Tests",
                  0, WEEKLY_TEST_MAX );
        break;       
      case 2:
        getResult( assignment1, "What did you get for Assignment 1",
                  0, ASSIGNMENT1_MAX );
        break;
      case 3:
        getResult( assignment2, "What did you get for Assignment 2",
                  0, ASSIGNMENT2_MAX );
        break;
      case 4:
        getResult( finalResult, "What final result did you want",
                        assignment1+assignment2+weeklyTests,
                        100-(WEEKLY_TEST_MAX-weeklyTests)-
                            (ASSIGNMENT1_MAX-assignment1)-
                                (ASSIGNMENT2_MAX-assignment2) );
        break;
      case 5:
        showRequiredResult(
                  weeklyTests, assignment1, assignment2, finalResult );
        break;
      case 6:
        reset( weeklyTests, assignment1, assignment2, finalResult );
        break;
    }
  }
  return 0;
}
//gets a valid menu option
bool getValidMenuChoice( int& choice )
{ 
  cout << endl << " * What exam result do I need *" << endl << endl;
        cout << "  1. Enter Weekly Test result" << endl
      << "  2. Enter Assignment 1 result" << endl
      << "  3. Enter Assignment 2 result" << endl
      << "  4. Enter preferred result" << endl
      << "  5. Show required exam result " << endl
      << "  0. Exit the program" << endl << endl;
 
  cout << "Enter option => ";
 
  choice = getValidInteger ( 0, NUM_MENU_OPTIONS ) ;
        return choice!=0 ;
 }

// readInteger: Read & validate an integer read from
// standard input;
// Clear to the end of line & retry if an non-integer is read
// Input: none  Output:  int value read is returned

int readInteger()        // function definition
{
  int tempInt;    // a local variable
  cin >> tempInt;
  while (cin.fail())
  {
    cin.clear();              // clear input error flags
    flushStream();        // clear to end of line
    cout << "ERROR: You must enter an integer ==> ";
    cin >> tempInt;        // try again
  }
  return tempInt;
}

// flushStream: Clear standard input to EOL
void flushStream(void)                       
{
  char temp = ' ';
 
  cin.get(temp);
  while (temp != '\n')
  {
    cin.get(temp);
  }
}

// Obtain from user an integer between min and max
// Return that integer
int getValidInteger ( int min, int max )
{
        int choice ;
       
        choice = readInteger();
 
        // ensure integer within range
        while ( choice < min || choice > max )
        {
                cout << "Error: please enter a number between " << min
    << " and " << max << " : " ;
                choice = readInteger () ;
        }
        return choice ;
}

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tanks

There's plenty of free compilers out there ...