2014年4月27日
[Leetcode] ZigZag Conversion
摘要： The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo... 阅读全文
posted @ 2014-04-27 19:02 Eason Liu 阅读(166) 评论(0) 推荐(0) 编辑
[Leetcode] Wildcard Matching
摘要： Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e... 阅读全文
posted @ 2014-04-27 16:19 Eason Liu 阅读(193) 评论(1) 推荐(0) 编辑
[Leetcode] 4Sum
摘要： Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum of ... 阅读全文
posted @ 2014-04-27 15:13 Eason Liu 阅读(165) 评论(0) 推荐(0) 编辑