comefrom: <gouthampradhan>two_pointers_RemoveDuplicates_1.java
code: public int removeDuplicates(int[] nums) {
      if (nums.length == 1) return 1;
      int size = 1;
      for (int j = 0, i = 1; i < nums.length; i++) {
        if (nums[i] != nums[i - 1]) {
          size++;
          j++;
          nums[j] = nums[i];
        }
      }
      return size;
    }
masked: public int sample_funcname ( int [ ] var_0 ) {
    if ( var_0 . length == 1 ) return 1 ;
    int var_3 = 1 ;
    for ( int var_5 = 0 , var_6 = 1 ;
    var_6 < var_0 . length ;
    var_6 ++ ) {
      if ( var_0 [ var_6 ] != var_0 [ var_6 - 1 ] ) {
        var_3 ++ ;
        var_5 ++ ;
        var_0 [ var_5 ] = var_0 [ var_6 ] ;
      }
    }
    return var_3 ;
  }
  