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#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;
const int SIZE = 20;
void initGrid(bool life[][SIZE]);
void readGrid(bool life[][SIZE]);
void printGrid(bool life[][SIZE]);
int liveCellNeighbors(bool life[][SIZE], int, int);
int deadCellNeighbors(bool life[][SIZE], int, int);
void determineNextGen(bool life[][SIZE], bool life2[][SIZE]);
int getTotalDead(bool life[][SIZE], int, int );
int getTotalLive(bool life[][SIZE], int, int );
int main()
{
bool life[SIZE][SIZE];
bool life2[SIZE][SIZE];
readGrid(life);
for (int count = 1; count <= 5; count++){
determineNextGen(life, life2);
}
printGrid(life);
printGrid(life2);
return 0;
}
//-------------------------------------------------------
void readGrid(bool life[][SIZE])
{
ifstream infile("bacteria.txt");
int numBacteria, row, col;
initGrid(life); //initialize grid
infile >> row >> col;
while (infile){
life[row][col] = true;
infile >> row >> col;
}
infile.close();
}
void initGrid(bool life[][SIZE])
{
for (int row = 0; row < SIZE; row++){
for (int col = 0; col < SIZE; col++){
life[row][col] = false;
}
}
}
void printGrid(bool life[][SIZE])
{
cout << " 01234567890123456789" << endl;
for (int row = 0; row < SIZE; row++){
cout << setw(2) << row;
for (int col = 0; col < SIZE; col++){
if (life[row][col]){ //if true, cell is "alive"
cout << "*";
} else { //if false, cell is "dead"
cout << " ";
}
}
cout << endl;
}
cout<<"Total alive in row 10 = "<<getTotalLive(life, 10, SIZE)<<endl;
cout<<"Total alive in col 10 = "<<getTotalLive(life, SIZE, 10)<<endl;
cout<<"Total dead in row 16 = "<<getTotalDead(life, 16, SIZE)<<endl;
cout<<"Total dead in col 1 = "<<getTotalDead(life, SIZE, 1)<<endl;
cout<<"Total alive = "<<getTotalLive(life, SIZE, SIZE) + getTotalLive(life, SIZE, SIZE)<<endl;
cout<<"Total dead = "<<getTotalDead(life, SIZE, SIZE) + getTotalDead(life, SIZE, SIZE)<<endl;
}
int liveCellNeighbors(bool life[][SIZE], int row, int col)
{
int neighbors;
if(life[row][col]== true && life[row][col-1]==true && col-1>=0)
{
neighbors++;
}
if(life[row][col]== true && life[row+1][col-1]==true && row+1<3 && col-1>=0)
{
neighbors++;
}
if(life[row][col]== true && life[row+1][col]==true & row+1<3)
{
neighbors++;
}
if(life[row][col]== true && life[row][col+1]==true && col+1<SIZE)
{
neighbors++;
}
if(life[row][col]== true && life[row-1][col-1]==true && row-1>=0 && col-1>=0 )
{
neighbors++;
}
if(life[row][col]== true && life[row+1][col+1]==true && row+1<3 && col+1<SIZE)
{
neighbors++;
}
if(life[row][col]== true && life[row-1][col]==true && row-1>=0)
{
neighbors++;
}
if(life[row][col]== true && life[row-1][col+1]==true && row-1>=0 && col+1<SIZE)
{
neighbors++;
}
return neighbors;
}
int deadCellNeighbors(bool life[][SIZE], int row, int col)
{
int neighbors;
if(life[row][col]== true && life[row][col-1]==true && col-1>=0)
{
neighbors++;
}
if(life[row][col]== false && life[row+1][col-1]==true && row+1<3 && col-1>=0)
{
neighbors++;
}
if(life[row][col]== false && life[row+1][col]==true & row+1<3)
{
neighbors++;
}
if(life[row][col]== false && life[row][col+1]==true && col+1<SIZE)
{
neighbors++;
}
if(life[row][col]== false && life[row-1][col-1]==true && row-1>=0 && col-1>=0 )
{
neighbors++;
}
if(life[row][col]== false && life[row+1][col+1]==true && row+1<3 && col+1<SIZE)
{
neighbors++;
}
if(life[row][col]== false && life[row-1][col]==true && row-1>=0)
{
neighbors++;
}
if(life[row][col]== false && life[row-1][col+1]==true && row-1>=0 && col+1<SIZE)
{
neighbors++;
}
return neighbors;
}
void determineNextGen(bool life[][SIZE], bool life2[][SIZE])
{
int neighbors; //neighbors of live cells
int neighbors2;//neighbors of dead cells
//criteria for living cells
for(int row=0;row<3;row++)
{
for(int col=0;col<SIZE;col++)
{
neighbors = liveCellNeighbors(life,row,col);
if(neighbors == 2 || neighbors == 3) //If the cell has two or three neighbors, it will remain living.
life2[row][col]=true;
else if(neighbors == 0 || neighbors ==1)
life2[row][col]=false; //If the cell has one or zero living neighbors, it will die
else if(neighbors >= 4)
life2[row][col]=false; //If the cell has four or more living neighbors, it will die
}
}
//criteria for dead cells
for(int row=0;row<3;row++)
{
for(int col=0;col<SIZE;col++)
{
neighbors2=deadCellNeighbors(life,row,col);
if(neighbors2 == 3)
life2[row][col]=true; //If the cell has exactly three living neighbors, it will come to life in the next generation.
else
life2[row][col]=false; //If the cell has any other number of living neighbors, it will remain empty.
}
}
}
int getTotalLive(bool life[][SIZE], int row, int col)
{
int numLive;
for(int i = 0 ; i < row ; i++)
{
for(int j = 0 ; j < col ; j++)
{
if(life[row][col]== true)
numLive++;
}
}
return numLive;
}
int getTotalDead(bool life[][SIZE], int row, int col)
{
int numDead;
for(int i = 0 ; i < row ; i++)
{
for(int j= 0 ; j < col ; j++)
{
if(life[row][col]== false)
numDead++;
}
}
return numDead;
}
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