题解 | #跳台阶#
跳台阶
http://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
{
// 重点是要理解到第n级台阶的跳法等于第n-1阶跳法与第n-2阶跳法之和
if(number === 1) return 1
else if(number === 2) return 2
else return jumpFloor(number - 1) + jumpFloor(number - 2)
}
module.exports = {
jumpFloor : jumpFloor
};
