public static List<Integer> climbingLeaderboard(List<Integer> ranked, List<Integer> player) {
        // Write your code here
        HashSet<Integer> set = new HashSet<>(ranked);
        ranked = new ArrayList<>(set); // only uniq value 
        Collections.sort(ranked , Collections.reverseOrder());
        ArrayList<Integer> result = new ArrayList<>();
        for(int p : player)
        {
            int index = Collections.binarySearch(ranked , p , Collections.reverseOrder());
            if(index < 0)
            {
                index = Math.abs(index);
                ranked.add(index -1 , p );
                result.add(index);
            }else{
                result.add(index + 1) ;
            }
            
        }
        return result ;   
    }