2015年10月23日
[LeetCode]35. Valid Parentheses有效括号
摘要： Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ... 阅读全文
posted @ 2015-10-23 11:06 AprilCheny 阅读(133) 评论(0) 推荐(0)
[LeetCode]34. Add Binary二进制相加
摘要： Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".解法：从后往前对两个string相加即可。注意将char转换为int，注意进位，注意结果顺序。... 阅读全文
posted @ 2015-10-23 10:09 AprilCheny 阅读(175) 评论(0) 推荐(0)