daniel456 - 博客园

2017年10月17日

摘要： Given a word, you need to judge whether the usage of capitals in it is right or not. We define the usage of capitals in a word to be right when one of 阅读全文

posted @ 2017-10-17 10:16 daniel456 阅读(146) 评论(0) 推荐(0)

459. Repeated Substring Pattern

摘要： Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may a 阅读全文

posted @ 2017-10-17 10:13 daniel456 阅读(125) 评论(0) 推荐(0)

434. Number of Segments in a String

摘要： Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters. Please note that the string 阅读全文

posted @ 2017-10-17 10:03 daniel456 阅读(149) 评论(0) 推荐(0)

383. Ransom Note

摘要： Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if the rans 阅读全文

posted @ 2017-10-17 09:58 daniel456 阅读(115) 评论(0) 推荐(0)

2017年10月16日

345. Reverse Vowels of a String

摘要： Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example 2:Given s 阅读全文

posted @ 2017-10-16 21:58 daniel456 阅读(85) 评论(0) 推荐(0)

344. Reverse String

摘要： Write a function that takes a string as input and returns the string reversed. Example:Given s = "hello", return "olleh". 题目含义：翻转字符串阅读全文

posted @ 2017-10-16 21:56 daniel456 阅读(122) 评论(0) 推荐(0)

125. Valid Palindrome

摘要： Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Pan 阅读全文

posted @ 2017-10-16 21:55 daniel456 阅读(97) 评论(0) 推荐(0)

67. Add Binary

摘要： Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 题目含义：将两个字符串进行二进制加减法。思路：从最后一位开始依次计算，注意进位阅读全文

posted @ 2017-10-16 21:46 daniel456 阅读(116) 评论(0) 推荐(0)

28. Implement strStr()

摘要： Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. 给定两个字符串，判断一个字符串是不是另一个字符串阅读全文

posted @ 2017-10-16 21:42 daniel456 阅读(109) 评论(0) 推荐(0)

20. Valid Parentheses

摘要：给一串只包含有'(', ')', '{', '}', '[' 和']',的字符串，要求判定是否是合法的。阅读全文

posted @ 2017-10-16 21:34 daniel456 阅读(92) 评论(0) 推荐(0)

andywu

公告