Ruudukko

input/code.cpp:6:14: error: stray '\344' in program
 package datatähti;
              ^
input/code.cpp:13:19: error: stray '\344' in program
 public class Datatähti {
                   ^
input/code.cpp:6:1: error: 'package' does not name a type
 package datatähti;
 ^~~~~~~
input/code.cpp:7:1: error: 'import' does not name a type; did you mean 'short'?
 import java.util.Scanner;
 ^~~~~~
 short
input/code.cpp:13:1: error: expected unqualified-id before 'public'
 public class Datatähti {
 ^~~~~~

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package datatähti;
import java.util.Scanner;

/**
 *
 * @author Matias
 */
public class Datatähti {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        
        Scanner lukija = new Scanner(System.in);
        
        int n = Integer.valueOf(lukija.nextLine());
        
        int[][] ruudukko = new int[n][n];
        int lisattavaNumero = 1;
        
        
        for (int rivi = 0; rivi < n; rivi++) {
            
            for (int sarake = 0; sarake < n; sarake++) {
                
                if (rivi == 0 && sarake == 0) {
                    ruudukko[rivi][0] = 1;
                    continue;
                }
                
                while (true) {
                    boolean reset = false;
                    
                    for (int s = 0; s < sarake; s++) {
                        if (lisattavaNumero == ruudukko[rivi][s]) {
                            reset = true;
                        }
                    }
                    
                    if (rivi > 0) {
                        for (int r = 0; r < rivi; r++) {
                            if (lisattavaNumero == ruudukko[r][sarake]) {
                                reset = true;
                            }
                        }
                    }
                    
                    if (reset) {
                        lisattavaNumero++;
                        continue;
                    } else {
                        break;
                    }
                }
                
                ruudukko[rivi][sarake] = lisattavaNumero++;
                
                lisattavaNumero = 1;
                
            }
            
            
        }
        
        
        StringBuilder rakentaja;
        
        for (int rivi = 0; rivi < n; rivi++) {
            rakentaja = new StringBuilder();
            for (int sarake = 0; sarake < n; sarake++) {
                rakentaja.append(ruudukko[rivi][sarake]);
                rakentaja.append(" ");
            }
            System.out.println(rakentaja.toString());
        }
        
    }
    
}