// This example illustrates the use of a 3-D array in which calculations are performed on the array contents.
// The program calculates column totals, row totals, and "page" totals.

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

const int NumRows = 3;
const int NumCols = 4;

void printArray(int[][NumRows][NumCols], int);
int sumRow(int[]);
int sumCol(int[][NumCols], int whichCol);
int sumPage(int[][NumCols]);

int main()
{
    const int NumPages = 2;

    int A[NumPages][NumRows][NumCols] =
        {{{1,2,3,4},{5,6,7,8},{9,10,11,12}},{{13,14,15,16},{17,18,19,20},{21,22,23,24}}};
    printArray(A,NumPages);
}


void printArray(int array[][NumRows][NumCols], int pages)
{
    for (int p = 0; p < pages; p++)
    {
        for (int r = 0; r < NumRows; r++)
        {
            for (int c = 0; c < NumCols; c++)
            {
                cout << setw(5) << array[p][r][c];
            }
            cout << setw(8) << sumRow(array[p][r]) << endl;
        }
        cout << endl;
        for (int c = 0; c < NumCols; c++)
            cout << setw(5) << sumCol(array[p],c);
        cout << setw(8 ) << sumPage(array[p]) << endl << endl;
    }
}

int sumRow(int array[])
{
    int sum = 0;
    for (int c = 0; c < NumCols; c++)
    {
        sum += array[c];
    }
    return sum;
}

int sumCol(int array[][NumCols], int whichCol)
{
    int sum = 0;
    for (int r = 0; r < NumRows; r++)
    {
        sum += array[r][whichCol];
    }
    return sum;
}

int sumPage(int array[][NumCols])
{
    int sum = 0;
    for (int r = 0; r < NumRows; r++)
    {
        for (int c = 0; c < NumCols; c++)
            sum += array[r][c];
    }
    return sum;
}