static int poisonousPlants(int[] p) {
        int i=1;//counter off days
        LinkedList<Integer> alive1 =new LinkedList<>();
        LinkedList<Integer> alive2 =new LinkedList<>();
        LinkedList<Integer>pfull=alive1;
        LinkedList<Integer>pEmpty=alive2;
        for (int plant: p) { pfull.push(plant); }//now the element exist at list
        int presize=0;
        for ( i=0; presize!=pfull.size(); i++) {
            pEmpty.push(pfull.get(0));//the first  element don't have left so it remains always
            for (int j = 1; j <pfull.size() ; j++) {
                if (pfull.get(j) < pfull.get(j - 1)) {
                    pEmpty.push(pfull.get(j));
                }
            }
                System.out.println("hi");
                System.out.println(pfull.size());
                presize=pfull.size();
                LinkedList<Integer> old=pEmpty;
                pfull.clear();
                pEmpty=pfull;
                pfull=old;
                System.out.println("hello");

        }
        System.out.println("ajksj");
return i;

    }