100.cpp

#include <iostream>
#include <stdlib.h>
using namespace std;

int main (void) {
	int *tbl;
	tbl = (int*)malloc(sizeof(int)*1000000);
	memset (tbl, 0, 1000000);
	
	tbl[1] = 1;
	
	for (int i = 2; i < 1000000; i++) {
		int temp = i;
		int counter = 1;
		while (temp > 1) {
			if (temp < 1000000 && tbl[temp] > 0) {
				counter += tbl[temp] - 1;
				break;
			}
			
			counter++;
			
			if (temp % 2 == 0)
				temp /= 2;
			else
				temp = temp * 3 + 1;
		}
		
		tbl[i] = counter;
	}
	
	int a, b;
	
	while (cin >> a >> b) {
		cout << a << " " << b << " ";
		
		if (a > b) {
			b = b + a;
			a = b - a;
			b = b - a;
		}
		
		int max = 0;
		
		for (int i = a; i <= b; i++) {
			if (tbl[i] > max) max = tbl[i];
		}
		
		cout << max << endl;
	}
	
	free(tbl);
	
	return 0;
}