2014年6月28日
[LeetCode] Climbing Stairs （DP）
You are climbing a stair case. It takes n steps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you cli... Read More
posted @ 2014-06-28 10:06 Xylophone Views(185) Comments(0) Diggs(0)