UVA（11384）

#pragma warning(disable:4996)#include<cstdio>#include<cstring>#include<string>#include<cmath>#include<vector>#include<algorithm>#include<iostream>#include<time.h>using namespace std;long long f(long long n){    if (n == 1)        return 1;    else        return f(n / 2) + 1;}int vs_main(){    int n;    while (cin >> n)    {        long long temp=f(n);        printf("%d\n", temp);    }    return 0;}