comefrom: <qiyuangong>922_Sort_Array_By_Parity_II_2.java
code: public int[] sortArrayByParityII(int[] A) {
          int j = 1;
          for (int i = 0; i < A.length; i += 2)
              if (A[i] % 2 == 1) {
                  while (A[j] % 2 == 1)
                      j += 2;
  
                  int tmp = A[i];
                  A[i] = A[j];
                  A[j] = tmp;
              }
  
          return A;
      }
masked: public int [ ] sample_funcname ( int [ ] var_0 ) {
    int var_1 = 1 ;
    for ( int var_2 = 0 ;
    var_2 < var_0 . length ;
    var_2 += 2 ) if ( var_0 [ var_2 ] % 2 == 1 ) {
      while ( var_0 [ var_1 ] % 2 == 1 ) var_1 += 2 ;
      int var_3 = var_0 [ var_2 ] ;
      var_0 [ var_2 ] = var_0 [ var_1 ] ;
      var_0 [ var_1 ] = var_3 ;
    }
    return var_0 ;
  }
  