public void solve(int k) {
        Config data = Server_Loader.data;
        String solved = data.getString(id + "#Solved");
        String key = String.valueOf(Server_Loader.round + "." + k);
        String[] args = solved.split("#");
        for(int i = 0; i < args.length; i++) if(args[i].equals(key)) return;
        solved += key + "#";
        data.set(id + "#Solved", solved);
        Server_Loader.questions.remove(k);
    }