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 @ 2014-04-15 04:36 iisahu 阅读(113) 评论(0) 推荐(0) 编辑