Climbing Stairs <LeetCode>
摘要:
You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb... 阅读全文
posted @ 2014-08-31 13:14 菱纱梦 阅读(115) 评论(0) 推荐(0) 编辑