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const int ROWS = 4;
const int COLS = 4;
using namespace std;
//prototypes
int Menu();
int GetTotal(int[][COLS]);
double GetAvg(int);
int GetRowTotal(int[][COLS],int);
int GetColTotal(int[][COLS],int);
int GetHighRow(int[][COLS],int);
int GetLowRow(int[][COLS],int);
int main()
{
int choice,numtotal,rowchoice,colchoice;
int myArray[ROWS][COLS] = {18,48,3,4,12,9,7,32,3,10,4,23,12,115,1,50};
do
{
choice = Menu();
switch(choice)
{
case 1: cout << "Total = ";
cout << GetTotal(myArray) << endl << endl;
break;
case 2: cout << "Average = ";
numtotal = GetTotal(myArray);
cout << GetAvg(numtotal) << endl << endl;
break;
case 3: cout << "Enter row number: ";
cin >> rowchoice;
if(rowchoice < 0 || rowchoice >= ROWS)
{
cout << "Invalid row #. Must be between 0 - ";
cout << ROWS << ". Please try again." << endl;
break;
}
else
{
cout << "Total for Row " << rowchoice << "= ";
cout << GetRowTotal(myArray,rowchoice) << endl;
break;
}
}
cout << endl;
}while (choice != 7);
system("PAUSE");
return EXIT_SUCCESS;
}
int Menu()
{
int mychoice;
cout << "Choose a menu option: " << endl;
cout << "1- Total of all numbers\n";
cout << "2- Average of all numbers\n";
cout << "3- Total of a specific row\n";
cout << "4- Total of a specific column\n";
cout << "5- Highest value in a specific row\n";
cout << "6- Lowest value in a specific row\n";
cout << "7- Exit\n\n";
cout << "Enter your choice: ";
cin >> mychoice;
return mychoice;
}
int GetTotal(int myArray[][COLS])
{
int total = 0;
for(int i = 0; i < ROWS; i++)
for(int j = 0; j < ROWS; j++)
total += myArray[i][j];
return total;
}
double GetAvg(int totalnum)
{
double avg;
avg = totalnum / (ROWS * COLS);
return avg;
}
int GetRowTotal(int myArray[][COLS],int row)
{
int rowtotal;
for(int i = 0; i < ROWS; i++)
rowtotal += myArray[row][i];
return rowtotal;
}
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