Lab8-Puzzle15

JLab>java Selftest 

JLab> testPuzzle15 : ok ok ok ok ok ok ok ok ok ok  (10.0/10.0)
JLab> : -----------------------------
JLab> : ?????? 10.0 ????? (???? 10.0)
JLab> : -----------------------------
JLab> :<POINT>10.0</POINT> (<TOTAL>10.0</TOTAL> )
JLab>

public class FifteenPuzzle {
  //---------------------------------------------------
  public static boolean solvable15Puzzle(int[][] b) {
  int a[] = new int[b.length * b[0].length - 1];
  int k = 0;
  int p = 0;
  for (int i = 0; i < b[0].length; i++) {
    for (int j = 0; j < b.length; j++) {
      if (b[i][j] != 0) {
        a[k] = b[i][j];
        k++;
      }
      else p = i + 1;
    }
  }
  int c = 0;
  for (int i = 0; i < a.length; i++) {
    for (int j = i + 1; j < a.length; j++) {
      if (a[i] > a[j]) c++;
    }
  }
  int x = p + c;
  if (x % 2 == 0) return true;
  else return false;
  







  
  }
  //---------------------------------------------------
  public static void main(String[] a) {
    int[][] ok = { { 1, 2, 3, 4 },
                    { 5, 6, 7, 8 },
                    { 9, 10, 12, 15 },
                    { 13, 14, 11, 0 } };
    int[][] nok = { { 1, 2, 3, 4 },
                    { 5, 6, 7, 8 },
                    { 9, 10, 11, 12 },
                    { 13, 15, 14, 0 } };
    System.out.println(solvable15Puzzle(ok));
    System.out.println(solvable15Puzzle(nok));

  }
}

SM=0, CM=7, ST=8, KY=383, TR=60:00
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;