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Game of life problems

closed account (iEwvC542)
I can not seem to get the out put the way my teachers wants it to be.

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#include <iostream>
#include <fstream>
#include <iomanip>

using namespace std;

const int ROW = 20, COL = 20;

void print_array (bool [] [COL]);
void init_array (bool [] [COL]);
void input_array (bool[] [COL]);
void print_array2 (bool [] [COL]);
void calculate(bool [][COL], bool [][COL]);
void swap(bool [][COL], bool [][COL]);


 int main()
{
    bool current_gen[ROW][COL];
    bool next_gen[ROW][COL];

   init_array (current_gen);
   input_array (current_gen);
   print_array2 (current_gen);
   init_array (next_gen);
   calculate(current_gen, next_gen);
   swap(current_gen,next_gen);
   print_array2 (next_gen);
   swap (current_gen,next_gen);
   init_array (next_gen);
    calculate(current_gen, next_gen);
     swap(current_gen,next_gen);
     print_array2 (next_gen);;




system("PAUSE");
return 0;
}




void print_array2 (bool somearray [] [COL])
{
    cout << "  01234567890123456789" << endl;

     for (int i = 0; i < ROW; i++)
     {
              cout  << setw(2) <<i;
     for (int j = 0; j < COL; j++)
     {

            if (somearray[i][j])
                cout << "*";
            else
                cout << " ";
            }
                cout << endl;
     }
}

void init_array (bool somearray [] [COL])
{
     for (int i = 0; i < ROW; i++)
     {
     for (int j = 0; j < COL; j++)
     {
           somearray[i][j] = false;
     }
}

}


void input_array (bool somearray[] [COL])
{
     int row,col;
     ifstream inData;
     string fileName;
     cout << "Please enter a filename" << endl;
     cin >> fileName;

     inData.open(fileName.c_str());
     inData >> row >> col;
     while(inData)
     {
            somearray[row][col] = true;
             inData >> row >> col;

    }

}

void calculate(bool somearray[][COL], bool somearray1[][COL])
{
     unsigned int neighbors;
     for (int i = 0; i < ROW  ; i++)
     {
         for (int j = 0; j < COL ; j++)
         {
             neighbors = 0;
            
             if ( somearray[i-1][j-1] == 1) neighbors += 1;
             if ( somearray[i-1][j] == 1) neighbors += 1;
             if ( somearray[i-1][j+1] == 1) neighbors += 1;
             if ( somearray[i][j-1] == 1) neighbors += 1;
             if ( somearray[i][j+1] == 1) neighbors += 1;
             if ( somearray[i+1][j-1] == 1) neighbors += 1;
             if ( somearray[i+1][j] == 1) neighbors += 1;
             if ( somearray[i+1][j+1] == 1) neighbors += 1;

         
             if ( somearray[i][j] == 1 && neighbors < 2)
                somearray1[i][j] = 0;
             else if ( somearray[i][j] == 1 && neighbors > 3)
               somearray1[i][j] = 0;
             else if ( somearray[i][j] == 1 && (neighbors == 2 || neighbors == 3))
                somearray1[i][j] = 1;
             else if ( somearray[i][j] == 0 && neighbors == 3)
                somearray1[i][j] = 1;
         }
     }
}

void swap(bool somearray[][COL], bool somearray1[][COL])
{
     for (int i = 0; i < ROW; i++)
     {
         for (int j = 0; j < COL; j++)
            somearray[i][j] = somearray1[i][j];
     }
}


I can get my first print up to look like what my teacher wants, but after that. The outputs are all off on the near the edges. Any help whould be awesome.
Thanks!!
Eman96 (9)
I'm confused on what the program does.
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