Lab8-Puzzle15

JLab>java Selftest 

JLab> testPuzzle15 : 4
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ok 4
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ok 4
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ok 4
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ok 4
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ok 4
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ok 4
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ok 4
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ok 4
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ok 4
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3
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 num[] = new int[16]; int k = 0;
  for (int i = 0; i < b.length; i++) {
    for (int j = 0; j < b[i].length; j++) {
      num[k] = b[i][j];
      k++;
    }
  }
  int countL = 0;
  int countB = 0;
  for (int i = 0; i < num.length; i++) {
    for (int j = i + 1; j < num.length; j++) {
      if(num[j] !=0){
      if (num[j] < num[i]) countL = countL + 1;
       } else if (num[j] == 0 && (i+1) % 4 == 0) countB = (i+1) / 4;
       else if (num[j] == 0 && (i+1) % 4 != 0) countB = ((i+1) / 4) + 1;
    }
  }
  System.out.println(countB);
      if ((countL + countB) % 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=21, ST=35, KY=796, TR=60:00
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;