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- package essai;
- import java.util.Random;
- public class Essai_checker {
- static final boolean valide=true;
- static final boolean non_valide=false;
- //check number if not deplicate in row or colomn or sub grid
- static boolean checkInt(int a[][],int test,int c_i,int c_j){
- if(test==0) return non_valide;
- //check ligne
- for(int i=0;i<9;i++){
- if(test==a[c_i][i]) return non_valide;
- }
- //check colomn
- for(int i=0;i<9;i++){
- if(test==a[i][c_j]) return non_valide;
- }
- //check sub_grid
- int ii=c_i/3;
- int jj=c_j/3;
- // this test are for telling wich sub-grid contain the number
- if(ii<3) c_i=0;
- else
- if(ii>1 && ii<2) c_i=3;
- else if(ii>2 && ii<=3) c_i=6;
- if(jj<3) c_j=0;
- else
- if(jj>1 && jj<2) c_j=3;
- else if(jj>2 && jj<=3) c_j=6;
- for(int i=c_i;i<c_i+3;i++){
- for(int j=c_j;j<c_j+3;j++){
- if(test==a[c_i][c_j]) return non_valide;
- }
- }
- return valide;
- }
- public static void main(String[] args) {
- int [][] soduko2={
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0,0}
- };
- Random r=new Random();
- for(int i=0;i<9;i++){
- for(int j=0;j<9;j++){
- int entier=r.nextInt(9)+1;
- boolean init =checkInt(soduko2,entier,i,j);
- while(init ==non_valide){
- entier=r.nextInt(9);
- init =checkInt(soduko2,entier,i,j);
- }
- if(init=true)
- soduko2[i][j]=entier;
- }
- }
- for(int i=0;i<9;i++){
- for(int j=0;j<9;j++){
- System.out.println(soduko2[i][j]+",");
- }
- }
- System.out.println("Done!");
- }
- }
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