#include <iostream> 
#include <iomanip>
#include <cstdlib> // for rand() 
#include <ctime> 
using namespace std; 

const int LOW =-15; //global const for the lower limit 
const int UP = 15; //global const for the upper limit

const int ROW = 5; 
const int COL = 4; 

void GenerateArray(int[][COL], int, int, int, int); //function prototype 
void Print(int[][COL], int, int); 
bool AllPositive(int[][COL], int, int);

void main(){ 
	
   //declare and initialize array
//	int ROW=5;
//	int COL=4;
	int table[ROW][COL];

	srand(time(NULL)); 

	GenerateArray(table, ROW, COL, UP, LOW); //function call 

	cout << "The original table is: "; 
	Print(table, ROW, COL); 
	
	cout << "Start subarray processing? (Y/N): ";
	cout << "Enter # of rows: ";
	cin >> ROW;
	cout << "Enter # of columns: ";
	cin >> COL;
	Print(table, ROW, COL); 


	cout << endl;
} // end program 

void GenerateArray (int a[][COL], int row, int col, int upper_limit, int lower_limit){ 
	for (int r = 0; r < row; r++) 
		for (int c = 0; c < col; c++) 
			a[r][c] = rand()%(upper_limit - lower_limit + 1) + lower_limit;
}

void Print(int a[][COL], int row, int col){ 
   for ( int r = 0; r < row; r++ ) { 
	  cout << endl; 
      for ( int c = 0; c < col; c++ ) 
         cout << setw(5) << a[r][c]; 
   } 
} 

bool AllPositive(int a[][COL], int row, int col){ 
   for ( int r = 0; r < row; r++ ) 
      for ( int c = 0; c < col; c++ ) 
         if(a[r][c] < 0)
			return false;
   return true;
}