class Solution {
public:
int jumpFloor(int number) {
if(number == 0) return 0;
if(number == 1) return 1;
if(number == 2) return 2;
return jumpFloor(number-1) + jumpFloor(number-2);
}
};
原文：http://www.cnblogs.com/xlzhh/p/4433072.html