2014年6月14日
leetcode--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 @ 2014-06-14 21:36 Averill Zheng 阅读(139) 评论(0) 推荐(0)
leetcode--Palindrome Number
摘要： Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers be palindromes? (i... 阅读全文
posted @ 2014-06-14 00:10 Averill Zheng 阅读(156) 评论(0) 推荐(0)