comefrom: <awangdev>747. Largest Number At Least Twice of Others_1.java
code: public int dominantIndex(int[] nums) {
          if (nums == null || nums.length <= 1) {
              return 0;
          }
          int max = -1;
          int leastMax = -1;
          int index = 0;
          for (int i = 0; i < nums.length; i++) {
              if (nums[i] >= max) {
                  leastMax = max;
                  max = nums[i];
                  index = i;
              } else {
                  leastMax = Math.max(leastMax, nums[i]);
              }
          }
          return max >= leastMax * 2 ? index : -1;
      }
masked: public int sample_funcname ( int [ ] var_0 ) {
    if ( var_0 == null || var_0 . length <= 1 ) {
      return 0 ;
    }
    int max = - 1 ;
    int var_6 = - 1 ;
    int var_7 = 0 ;
    for ( int var_8 = 0 ;
    var_8 < var_0 . length ;
    var_8 ++ ) {
      if ( var_0 [ var_8 ] >= max ) {
        var_6 = max ;
        max = var_0 [ var_8 ] ;
        var_7 = var_8 ;
      }
      else {
        var_6 = Math . max ( var_6 , var_0 [ var_8 ] ) ;
      }
    }
    return max >= var_6 * 2 ? var_7 : - 1 ;
  }
  