View Code of Problem 64

#include <bits/stdc++.h>
using namespace std;
int fun(int n,int k,int l){
	if(n==0)
		return k;
	if(k-k/2+k>l)
		return k;
	return fun(n-1,k-k/2+k,l);
	
}

int main()
{
	int n,k,l;
	while(cin>>n>>k>>l) {
		if(n==0&&k==0&&l==0)
			break;
		if(n<2) {
			cout<<k<<endl;
		}
		else {
			int count = fun(n-2,k,l);
			cout<<count<<endl;	
		}

	}
	return 0;
}

/* 
10  2  10
 1  3  10
 2  5  10
 
*/