随笔分类 -  LeetCode

LeetCode刷题
LeetCode-14. Longest Common Prefix
摘要：1.题目描述 Write a function to find the longest common prefix string amongst an array of strings. 找到一组字符串的最长前缀。 2.我的分析思路 这一题的第一思路就是，把第一个字符串作为基准，遍历每个子字符串，然 阅读全文
posted @ 2017-02-12 21:06 飞轩 阅读(188) 评论(0) 推荐(0)
LeetCode-13. Roman to Integer(罗马数字转阿拉伯数字)
摘要：1.题目描述 Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 2.我的分析思路 罗马数字转成阿拉伯数字，这里面需要知道罗马数字的构成 阅读全文
posted @ 2017-02-12 20:58 飞轩 阅读(2596) 评论(0) 推荐(1)
LeetCode-3. Longest Substring Without Repeating Characters
摘要：1.题目描述 Given a string, find the length of the longest substring without repeating characters. Examples: Given =="abcabcbb"==, the answer is =="abc"==, 阅读全文
posted @ 2017-02-12 20:43 飞轩 阅读(210) 评论(0) 推荐(0)
LeetCode-2. Add Two Numbers(链表实现数字相加)
摘要：1.题目描述 You are given two non empty linked lists representing two non negative integers. The digits are stored in reverse order and each of their nodes 阅读全文
posted @ 2017-02-09 09:56 飞轩 阅读(1396) 评论(0) 推荐(0)
LeetCode-9. Palindrome Number(回文数)
摘要：1.题目描述 Determine whether an integer is a palindrome. Do this without extra space. Some hints: Could negative integers be palindromes? (ie, 1) If you a 阅读全文
posted @ 2017-02-07 21:23 飞轩 阅读(193) 评论(0) 推荐(0)
LeetCode-7. Reverse Integer
摘要：1.题目描述 Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = 123, return 321 Note: The input is assumed to be a 32 bit signed inte 阅读全文
posted @ 2017-02-07 09:42 飞轩 阅读(160) 评论(0) 推荐(0)
LeetCode-1.Two Sum
摘要：1.题目描述 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would 阅读全文
posted @ 2017-02-06 11:42 飞轩 阅读(208) 评论(0) 推荐(0)