class GFG { static int fun(int n) { if(n == 1) return 0; else return 1 + fun(n / 2); } public static void main(String [] args) { System.out.println(fun(16)); } }
class GFG { static int fun(int n) { if(n == 1) return 0; else return 1 + fun(n / 2); } public static void main(String [] args) { System.out.println(fun(16)); } }