2015年4月12日
Permutation Sequence
摘要： The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie... 阅读全文
posted @ 2015-04-12 12:43 微微程序媛 阅读(191) 评论(0) 推荐(0)
Length of Last Word
摘要： Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe... 阅读全文
posted @ 2015-04-12 04:37 微微程序媛 阅读(114) 评论(0) 推荐(0)