Noob Question regarding Pointer-to-Object type

[Drysdale]

OK, total noob in C++ here. A little help would really be appreciated. I'm getting a couple errors, and am not sure how to proceed:

1>------ Build started: Project: 8, Configuration: Debug Win32 ------
1>Build started 11/20/2010 8:26:09 PM.
1>InitializeBuildStatus:
1> Touching "Debug\8.unsuccessfulbuild".
1>ClCompile:
1> 8C.cpp
1>d:\my docs\school\fund prog\chapter 8\8\8\8c.cpp(33): error C2106: '=' : left operand must be l-value
1>d:\my docs\school\fund prog\chapter 8\8\8\8c.cpp(50): error C2109: subscript requires array or pointer type
1>d:\my docs\school\fund prog\chapter 8\8\8\8c.cpp(55): error C2065: 'Lowin' : undeclared identifier
1>d:\my docs\school\fund prog\chapter 8\8\8\8c.cpp(57): error C2065: 'Lowin' : undeclared identifier
1>d:\my docs\school\fund prog\chapter 8\8\8\8c.cpp(57): fatal error C1903: unable to recover from previous error(s); stopping compilation
1>
1>Build FAILED.
1>
1>Time Elapsed 00:00:00.90
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

Code follows:

#include <iomanip>
#include <iostream>
using namespace std;

int main()
{
 
	const int Numgrade = 6;
	int Score [Numgrade];
	int Count;
	int Grade;
	int Scorein;
	int av;
	int sum;
	int Lowin;

	// Function
	void Lowscore (int Grade, double Lowin[Numgrade]);
	{
	int Scorein[Numgrade];
	int Lowin[Numgrade];

    // Start Function Loop
	

   while (1)
   {
      if (Grade[Lowin]>Grade[Scorein])
      {
         Lowin = Scorein;
      }
      else
      {
      }
      Count =Count+1;
      if (Count>6) break;
   }
}

// Start Main Loop
   
   cout << "Input Test Scores" << endl;   while (1)
   {
	  
	  cout << "Input Test Score" << endl;
      cin >> Score[Numgrade];
      Grade[Count] = Score;
      Count =Count+1;
      if (Count>6) break;
   }
   int Lowin;
  
   Lowscore(Grade,Lowin);
   av =0;
   while (!(Count==Lowin))
   {
      Count =Count+1;
      av =(sum-Lowin)/(Numgrade-1);
   }
   cout << "Your Test Average is "+av << endl;
   return 0;
}

Thanks in advance! I know this is pretty basic, but I'm trying to learn!

[giove]

First:
Grade is an integer and not an integer array.

[Dino]

Several errors.

You are using int Grade as an array of ints, but you have not declared it as an array of ints. Same with you double Lowin.

You have declared variable Lowin twice in the same scope as an int. And, you are using it as a double in the arg list for your Lowscore function. So, you've declared it 3 times.

Move the Lowscore function outside of main. Note that you have "declared" this function, but never "defined" this function.

Fix those errors and see how it goes.