Something

#include <iostream>
#include <vector>

using namespace std;

typedef unsigned long long ull ;

ull recurse(ull n)
{
	if(n <= 2){return n;}
	return 1 + recurse( (n%2) ? ((n<<2)-n+1) : (n>>1));
}
int main(int argc, char* argv[])
{
	int i , j ;
	vector <int> max_cycles;
	int max_cycle_num=-1;
	vector <int> is , js;
	int n=0;
	while (cin >> i >> j)
	{
		is.push_back(i);
		js.push_back(j);
		n++;
	}
	int used = 0;
	for (int ctr = 0 ; ctr < n; ctr++)
	{
		int max_cyc = 0;
		int start = is.at(ctr), end = js.at(ctr);
		if(start > end)
		{
			int temp = start;
			start = end;
			end = temp ;	
		}
		for (int j = start ; j <= end ; j++)
		{
			int cyc = recurse(j);
			if(cyc > max_cyc)
			{
				max_cyc = cyc ;	
				max_cycle_num = j;
			}
		}
		max_cycles.push_back(max_cyc);
	}
	
	for (i = 0 ; i < n ; i++)
	{
		cout << is.at(i) << " "<<js.at(i) << " " << max_cycles.at(i) << " " << endl;
	}
	return 0;    
}