2016年1月18日
Symmetric Tree leetcode
摘要： Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ... 阅读全文
posted @ 2016-01-18 21:12 sdlwlxf 阅读(185) 评论(0) 推荐(0)
Excel Sheet Column Number leetcode
摘要： Related to questionExcel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column number.For example: A ... 阅读全文
posted @ 2016-01-18 20:20 sdlwlxf 阅读(153) 评论(0) 推荐(0)
Factorial Trailing Zeroes
摘要： Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Credits:Special thanks to@tsf... 阅读全文
posted @ 2016-01-18 19:20 sdlwlxf 阅读(130) 评论(0) 推荐(0)