剑指offer---跳台阶

class Solution
{
public:
    int jumpFloor(int number) 
    {
        //
        if (number == 1)
        {
            return 1;

        }
        else if (number == 2)
        {
            return 2;
        }
        else
        {
            return(jumpFloor(number - 1) + jumpFloor(number - 2));
        }

    }
};