P. Log2 – Codeforces Problem Solution in C++

Disclaimer: Make sure you tried enough before checking the solution

Problem: https://codeforces.com/group/MWSDmqGsZm/contest/223339/problem/P

#include<bits/stdc++.h>
using namespace std;
int counter = 0;
void log(long long num){ // 8
	
	if(num == 1){
		return;
	}
	counter++; // 3
	log(num/2);// 1
}
int main(){
	long long num;
	cin>>num;
	log(num);
	cout<<counter<<endl;
}

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