Java104 河洛之數

package java實用級;

public class J104 {

    public J104() {

        // TODO Auto-generated constructor stub

    }

    public static void main(String[] args) {

           int n[]=new int[9];

           int a=0;

           do{

          

                for(int i=0;i<9;i++){

                    n[i]=(int)(Math.random()*9)+1;

                    for(int j=0;i>j;j++){if(n[i]==n[j]){i--;}}

                }

               

                int r1,r2,r3,c1,c2,c3,w1,w2;

                r1=n[0]+n[1]+n[2];

                r2=n[3]+n[4]+n[5];

                r3=n[6]+n[7]+n[8];

                c1=n[0]+n[3]+n[6];

                c2=n[1]+n[4]+n[7];

                c3=n[2]+n[5]+n[8];

                w1=n[0]+n[4]+n[8];

                w2=n[2]+n[4]+n[6];

                if((r1==15)&&(r2==15)&&(r3==15)&&(c1==15)&&(c2==15)&&(c3==15)&&(w1==15)&&(w2==15))

                {

                    a=1;

                }

            }while(a==0);

            System.out.println(n[0]+"\t"+n[1]+"\t"+n[2]);

            System.out.println(n[3]+"\t"+n[4]+"\t"+n[5]);

            System.out.println(n[6]+"\t"+n[7]+"\t"+n[8]);

          }

}