comefrom: <qiyuangong>717_1-bit_and_2-bit_Characters_1.java
code: public boolean isOneBitCharacter(int[] bits) {
          int pos = 0;
          while (pos < bits.length - 1) {
              pos += bits[pos] + 1;
          }
          return pos == bits.length - 1;
      }
masked: public boolean var_0 ( int [ ] var_1 ) {
    int var_3 = 0 ;
    while ( var_3 < var_1 . length - 1 ) {
      var_3 += var_1 [ var_3 ] + 1 ;
    }
    return var_3 == var_1 . length - 1 ;
  }
  