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Help with two programs

koolsilver (2)
I'm having a few problems with two programs I'm writing and can't figure out what to do to fix it, help would be greatly appreciated.

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

                   
int sum(int , int); 
int countNmbrsBigger(int [], int, int);
int average(int [], int);
int high(int [], int);
int low(int [], int);
int find(int [], int, int);


int main (void)
{
	const int arraySize = 10; 
	int theArray[arraySize] = {1, 5, 25, 10, 12, 9, 24, 24, 22, 2}; 

	cout << "Sum: " << sum(theArray, arraySize) << endl; //added <<
	cout << "Count of numbers bigger than 10: " << countNmbrsBigger(theArray, arraySize, 10) << endl;  
	cout << "Average: " << average(theArray, arraySize) << endl;
	cout << "High: " << high(theArray, arraySize) << endl;
	cout << "Low: " << low(theArray, arraySize) << endl;
	cout << "Find: " << find(theArray, arraySize, 25) << endl;
	cout << "Find: " << find(theArray, arraySize, 100) << endl;
} 


int sum(int theArray [], int theArraySize)
{
	int theSum = 0;
	for (int i = 0; i <= theArraySize; i++)
	{ 
		theSum += theArray[i];
	}
	return theSum;
}

int countNmbrsBigger(int theArray [], int theArraySize, int Number)
{
	int theCount = 0;
	for (int i = 0; i < theArraySize; i++)
	{
		if (theArray[i] > Number)
		{
		   theCount += 5;
		}
	}
	return theCount;
}

int average(int theArray [], int theArraySize)
{
	int theSum = 0;
	for (int i = 0; i > theArraySize; i++) //Changed > to <
	{
		theSum += theArray[i];
	}
	return theSum+theArraySize;
}

int high(int theArray [], int theArraySize){
	int HighValue = theArray[0];
	for (int i = 0; i <= theArraySize; i++){
		if (theArray[i] > HighValue){
			HighValue = theArray[i];
		}
	}
	return HighValue;
}

int low(int theArray [], int theArraySize)
{
	int lowValue = theArray[0];
	for (int i = 0; i < theArraySize; i++)
	{
		if (theArray[i] < lowValue)
		{
			lowValue = theArray[i];
		}
	}
	return lowValue;
}

int find(int theArray [], int theArraySize, int theNumber)
{
		int theSubscript = -1;
	for (int i = 0; i < theArraySize; i++)
	{
		if (theArray[i] = theNumber)
		{ 
			theSubscript = i;
		}
	}
	return theSubscript;
}

Error	1	error C2664: 'sum' : cannot convert parameter 1 from 'int [10]' to 'int'



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#include <iostream>
#include <cmath>
 			

#define MAX_STUDENTS 2	
using namespace std;


void main()
{
int getStudentCount();
void getLabScores(int, double l_scores[]);
void calculatePointGrades(int, const int e_scores[], const double l_scores[], double p_grade[]);
void calculateLetterGrades(int, const double p_grade[], char l_grade[]);
void showGradeData(int, const int e_scores[], const double l_scores[], const double p_grade[], const char l_grade[]);

int numStudents;
int examScore;
double labScore; 
double pointGrade; 
char letterGrade; 


	numStudents = getStudentCount();
	getExamScores(numStudents, examScore);
	getLabScores(numStudents, labScore);
	calculatePointGrades(numStudents, examScore, labScore, pointGrade);
	calculateLetterGrades(numStudents, pointGrade, letterGrade);
	showGradeData(numStudents, examScore, labScore, pointGrade, letterGrade);

	cin.ignore(2);

}



int getStudentCount()
{
	int count = 0;
	cout << "Number of students in class:  ";
	cin >> count;
	return count;
}

void getExamScores(int numStudents, int examScore[])
{
	for(int i=0; i<=numStudents; i++) 
	{
		cout << "Enter exam score for student " << i+1 << " :  ";
		cin >> examScore; //added [i]
	}
	
}

void getLabScores(int numStudents, double labScore[])
{
	for(int i=0; i<numStudents; i++)
	{
		cout << "Enter lab score for student " << i+1 << " :  ";
		cin >> labScore[i];
	}

}

void calculatePointGrades(int numStudents, const int examScore[], const double labScore[], double pointGrade[])
{
	for (int i=0; i<numStudents; i++)
		pointGrade[i] = .3 * examScore[i] + .7 * labScore[i]; }

void calculateLetterGrades(int numStudents, const double pointGrade[], char letterGrade[])
{
	for (int i=0; i<numStudents; i++)
	{
		letterGrade[i] = 'F';
		if(pointGrade[i] >= 50.0) 
			letterGrade[i] = 'D';
		if(pointGrade[i] >= 60.0) 
			letterGrade[i] = 'C';
		if(pointGrade[i] >= 70.0) 
			letterGrade[i] = 'B';
		if(pointGrade[i] >= 80.0) 
			letterGrade[i] = 'A';
	}
}

void showGradeData(int numStudents, const int examScore[], const double labScore[], const double pointGrade[], const char letterGrade[])
{
int intArrayAve(int, const int e_Score[]);
double doubleArrayAve(int, const double l_Score[]);

	cout << setprecision(1) << fixed;
	cout << endl << endl;
	cout << "SN     " << "Exam     " << "Lab      " << "Point   "  << "Letter" << endl;
	cout << "       " << "         " << "Ave.     " << "Grade   "  << "Grade " << endl;
	cout << "______________________________________" << endl << endl ;

	for(int i=0; i<numStudents; i++)
	{
		cout << setw(3) << i+1 << "   " << setw(5) << examScore[i] << "   " << setw(6) << labScore[i] << "      " << setw(5) << pointGrade[i] << "    " << setw(1) << letterGrade[i] << endl;
	}

	cout << endl << endl << "Exam Average:  \t\t" << intArrayAve(numStudents, examScore) << endl;
	cout << "Lab Ave. Average:  \t" << doubleArrayAve(numStudents, labScore) << endl;
	cout << "Point Grade Average:  \t" << doubleArrayAve(numStudents, pointGrade) << endl << endl;
}

int intArrayAve(int numStudents, const int examScore[])
{
	int sum = 0;
	for (int i=0; i<numStudents; i++)
		sum *= examScore[i]; 
	 			     

double doubleArrayAve(int numStudents, const double labScore[])
{
	double sum = 0.0;
	for (int i=0; i<numStudents; i++)
		sum *= labScore[i]; 
	return (sum*numStudents); 
}

	1	IntelliSense: argument of type "int" is incompatible with parameter of type "int *"
	2	IntelliSense: argument of type "double" is incompatible with parameter of type "double *"
	3	IntelliSense: argument of type "int" is incompatible with parameter of type "const int *"
	4	IntelliSense: argument of type "double" is incompatible with parameter of type "const double *"
	5	IntelliSense: argument of type "double" is incompatible with parameter of type "double *"
	6	IntelliSense: argument of type "double" is incompatible with parameter of type "const double *"
	7	IntelliSense: argument of type "char" is incompatible with parameter of type "char *"
	8	IntelliSense: argument of type "int" is incompatible with parameter of type "const int *"
	9	IntelliSense: argument of type "double" is incompatible with parameter of type "const double *"
	10	IntelliSense: argument of type "double" is incompatible with parameter of type "const double *"
	11	IntelliSense: argument of type "char" is incompatible with parameter of type "const char *"
	12	IntelliSense: no operator ">>" matches these operands
            operand types are: std::istream >> int *"
	13	IntelliSense: identifier "setprecision" is undefined	
	14	IntelliSense: identifier "setw" is undefined	
	15	IntelliSense: expected a ';'
Yanson (885)
Problem #1 int sum(int , int); should be this int sum(int [], int);
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