[cellautomaton.java]
--
/*                                  */
/* セルオートマトン実習解答描画     */
/*                                  */
/* Copyright (C) Junro Yoshino 2000 */
/*                                  */
class cellautomaton{
  static int size=9;  
  static int cell[][]=new int[size][size];
  public static void main(String argv[]){
    int t, c;
    init();
    for(t=0; t<=9; t=t+1){
      disp(t);
      if(t!=9){
        cycle();
        for(c=100000000; c>0; c=c-1){}
      }
    }    
  }
  static void init(){
    int c=0, i, j, k=0;
    while(k!=1 && k!=2 && k!=3){
      System.out.print("Select 1-3");
      try{
        c=System.in.read();
      }
      catch(java.io.IOException e){
        System.out.println("Some input error");
      }
      k=c-'0';
    }
    if(k==1){
      for(i=0; i<9; i=i+1){
        for(j=0; j<9; j=j+1){
          cell[i][j]=0;
        }
      }
      cell[4][4]=2;
    }
    else{ 
      if(k==2){
        for(i=0; i<9; i=i+1){
          for(j=0; j<9; j=j+1){
            cell[i][j]=0;
          }
        }
        cell[2][2]=2;
        cell[6][6]=2;
      }
      else{
        for(i=0; i<9; i=i+1){
          for(j=0; j<9; j=j+1){
            cell[i][j]=0;
          }
        }
        for(j=4; j<9; j=j+1){
          cell[3][j]=1;
          cell[4][j]=2;
        }
      }
    }    
  }
  static void disp(int t){
    int i, j;
    System.out.println("t="+t);
    for(j=0; j<size+2; j=j+1){
      System.out.print("_");
    }
    System.out.println();
    for(i=0; i<size; i=i+1){
      System.out.print("|");
      for(j=0; j<size; j=j+1){
        if(cell[i][j]==1)
          System.out.print("%");
        else if(cell[i][j]==2)
               System.out.print("*");
	     else
               System.out.print(" ");
      }
      System.out.println("|");
    }
    for(j=0; j<size+2; j=j+1){
      System.out.print("~");
    }
    System.out.println();
  }
  static void cycle(){
    int workcell[][]=new int[size][size], i, j;    
    for(i=0; i<size; i=i+1){
      for(j=0; j<size; j=j+1){
        if(cell[i][j]==2)
          workcell[i][j]=1;
        else if(cell[i][j]==1)
               workcell[i][j]=0;
             else{
               workcell[i][j]=0;
               if(i!=0)
                 if(cell[i-1][j]==2)
                   workcell[i][j]=2;
               if(i!=size-1)
                 if(cell[i+1][j]==2)
                   workcell[i][j]=2;
               if(j!=0)
                 if(cell[i][j-1]==2)
                   workcell[i][j]=2;
               if(j!=size-1)
                 if(cell[i][j+1]==2)
                   workcell[i][j]=2;
             } 
      }
    }
    for(i=0; i<size; i=i+1){
      for(j=0; j<size; j=j+1){    
        cell[i][j]=workcell[i][j];
      }
    }
  }
}


--
Copyright (C) Junro YOSHINO <yoshinok@muf.biglobe.ne.jp>