//Sarah Richardson

// Tomball HS

// 30330 Quinn Rd

// Tomball TX 77375

// Senior 3

public class Flock

{

int[][] flock; //nothing at flock[r][0]. index starts at 1

int[][] nFlock;

public Flock()

{

flock = new int[2][11];

nFlock = new int[2][11];

}

public void add(int p)

{

flock[1][p]=1;

}

public int fly() //only works for one stage

{

// System.out.println("flock before stage occurs");

// printArray(flock);

if(flock[1][10]==1) //bird on main of 10, empty main of 1

{ if(flock[1][1]==0)

{ nFlock[1][1]=1;

flock[1][10]=0;

}

else if(flock[0][10]==0)

nFlock[0][10]=1;

else nFlock[1][10]=1;

}

for(int c=1; c<10; c++) //row 1 through 9

{

if(flock[1][c]==1)//there's a bird on the main of r

{

if(flock[1][c+1]==0)

nFlock[1][c+1]=1;

else if(flock[0][c]==0)

nFlock[0][c]=1;

else nFlock[1][c]=1;

}

if(flock[0][c]==1)//theres a bird on the above of r

{

if(flock[1][c]==0 && nFlock[1][c]==0)//theres no bird on main

nFlock[1][c]=1;

//if there is a bird, stay in place

else nFlock[0][c]=1;

}

}

if(flock[0][10]==1)

if(flock[1][10]==0 && nFlock[1][10]==0)

nFlock[1][10]=1;

else nFlock[0][10]=1;

// System.out.println("nFlock after stage occurs");

// printArray(nFlock);

switchFlocks();

return numMain();

}

public int numMain()//for flock

{

int num=0;

for(int c=1; c<=10; c++)

{

if(flock[1][c]==1)

num++;

}

return num;

}

public void switchFlocks() //clears nFlock

{

for(int r=0; r<=1; r++) //replaces flock with nFlock

for(int c=1; c<=10; c++)

flock[r][c] = nFlock[r][c];

for(int r=0; r<=1; r++) //clears out nFlock

for(int c=1; c<=10; c++)

nFlock[r][c]=0;

}

public void printArray(int[][] f)

{

for(int r=0; r<=1; r++)

{ for(int c=1; c<=10; c++)

System.out.print(f[r][c]);

System.out.println();

}

System.out.println();

}

}