public static List<Integer> cutTheSticks(List<Integer> arr) {
    int count=0;
    List<Integer> res = new ArrayList<>();
    
    while(arr.size>0){
        int sm = Collections.min(arr);
        for(int j = 0 ; j<arr.size(); j++){
            arr.set(j, arr.get(j)-sm);
            count++;
            }
            res.add(count);
            count = 0;
            arr = arr.stream().filter(x -> x>0).collect(Collectors.toList());   
    }
    return res;
    }