@[zhangfengyi2024](/user/1311183) 这道题没有测试点，根本做不了
by daogu2023 @ 2024-03-24 17:14:10
6
```cpp
#include<bits/stdc++.h>
using namespace std;
signed main(){
long long n;
cin>>n;
cout<<ceil(log2(n+1));
return 0;
}
```
by arrowpoint @ 2024-03-24 17:14:34
@[zhangfengyi2024](/user/1311183)
```
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int N=2e5+5;
ll n;
int main(){
scanf("%lld",&n);
for(ll i=0;;i++)
if(n<=(1ll<<i)-1ll)
return printf("%lld\n",i),0;
return 0;
}
```
求关
by wukaichen888 @ 2024-03-24 17:14:38
@[daogu2023](/user/757292) 呃......
by zhangfengyi2024 @ 2024-03-24 17:57:40