50 lira ya program yazin lan finaldeyim

using namespace std;

3. include <iomanip>

4. include <ctime>

const int NUM_GRADES = 10;
const int NUM_STUDENTS = 3;

int findHighest (int []);
int findLowest (int []);

void printDatabase(const int [][NUM_GRADES], const char [] [20]);

int main()
{
int student1[ NUM_GRADES ] = {56,67,83,81,70,84,94,64,68,86};
int student2[ NUM_GRADES ] = {76,89,81,42,66,93,104,91,71,85};
int student3[ NUM_GRADES ] = {65,69,91,89,82,93,72,76,79,99};

char studentNames [NUM_STUDENTS ] [5] = {"Bob", "John", "Joe"};

int database [ NUM_GRADES ][NUM_STUDENTS ];
int i = 0;

srand( time (0));

for (i=1; i < NUM_GRADES; i++)
student1[ NUM_GRADES ] = rand() % 50 + 50; //


for (i=0; i < NUM_GRADES; i++)
{
database[ 0 ] [ i ] = student1[ i ];
database[ 1 ] [ i ] = student2[ i ];
database[ 2 ] [ i ] = student3[ i ];
}

printDatabase (database , studentNames);

for (i=0; i < NUM_STUDENTS; i++)
{
cout << studentNames << "'s highest grade is: " << findHighest (student1) << endl
<< studentNames << "'s lowest grade is: " << findLowest (database [ i ]) << endl;

}

return 0;
}

int findHighest (int a[])
{
int highest = a[ 0 ];

for ( int i = 1; i <= NUM_GRADES; i++)
{if (a[ i ] > highest )
highest = a[ i ];
}

return highest;
}

int findLowest (int a[] )
{
int lowest = a[ 0 ] ;

for ( int i = 1; i <= NUM_GRADES; i++)
if (a[ i ] < lowest )
lowest = a[ i ];

return lowest;
}

void printDatabase(const int a[][ NUM_GRADES ], char studentNames[] [ 20 ] )
{
cout << "Here is the grade databasenn" << setw(10) << "Name";

{
for (int n = 1; n <= NUM_STUDENTS; n++)
{
cout << setw( 4 ) << n;

cout << endl;
}

for (int i = 0; i < NUM_STUDENTS; i++)
{
cout << setw (10) << studentNames[ i ];


for (int j = 0; j < NUM_GRADES; j++)

cout << setw ( 4 ) << a[ i] [j];

cout << endl;
}
cout << endl;

}
//system("pause");
}

al olum düzelttim