LeetCode - 随笔分类(第3页) - 浩然119

LeetCode 20. Valid Parentheses

摘要：https://leetcode.com/problems/valid-parentheses/description/ Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine 阅读全文

posted @ 2018-02-10 10:54 浩然119 阅读(135) 评论(0) 推荐(0)

LeetCode 1. Two Sum

摘要：https://leetcode.com/problems/two-sum/description/ Given an array of integers, return indices of the two numbers such that they add up to a specific t 阅读全文

posted @ 2018-02-09 10:53 浩然119 阅读(195) 评论(0) 推荐(0)

LeetCode 38. Count and Say

摘要：https://leetcode.com/problems/count-and-say/description/ The count-and-say sequence is the sequence of integers with the first five terms as following 阅读全文

posted @ 2018-02-06 14:11 浩然119 阅读(219) 评论(0) 推荐(0)

LeetCode 7. Reverse Integer

摘要：https://leetcode.com/problems/reverse-integer/description/ Given a 32-bit signed integer, reverse digits of an integer. Example 1: Example 2: Example 阅读全文

posted @ 2018-02-05 18:46 浩然119 阅读(195) 评论(0) 推荐(0)

LeetCode 387. First Unique Character in a String

摘要：https://leetcode.com/problems/first-unique-character-in-a-string/description/ Given a string, find the first non-repeating character in it and return 阅读全文

posted @ 2018-02-02 16:22 浩然119 阅读(223) 评论(0) 推荐(0)

LeetCode 344. Reverse String

摘要：https://leetcode.com/problems/reverse-string/description/ Write a function that takes a string as input and returns the string reversed. Example:Given 阅读全文

posted @ 2018-02-02 15:37 浩然119 阅读(170) 评论(0) 推荐(0)

LeetCode 26. Remove Duplicates from Sorted Array

摘要：https://leetcode.com/problems/remove-duplicates-from-sorted-array/description/ Given a sorted array, remove the duplicates in-place such that each ele 阅读全文

posted @ 2018-01-30 13:09 浩然119 阅读(166) 评论(0) 推荐(0)

LeetCode 49. Group Anagrams

摘要：https://leetcode.com/problems/group-anagrams/description/ Given an array of strings, group anagrams together. For example, given: ["eat", "tea", "tan" 阅读全文

posted @ 2018-01-29 11:26 浩然119 阅读(235) 评论(0) 推荐(0)

LeetCode 242. Valid Anagram

摘要：https://leetcode.com/problems/valid-anagram/description/ Given two strings s and t, write a function to determine if t is an anagram of s. For example 阅读全文

posted @ 2018-01-27 17:39 浩然119 阅读(159) 评论(0) 推荐(0)

LeetCode 326. Power of Three

摘要：https://leetcode.com/problems/power-of-three/description/ Given an integer, write a function to determine if it is a power of three. Follow up:Could y 阅读全文

posted @ 2018-01-26 15:08 浩然119 阅读(163) 评论(0) 推荐(0)

LeetCode 231. Power of Two

摘要：https://leetcode.com/problems/power-of-two/description/ Given an integer, write a function to determine if it is a power of two. 简单数学题，位运算 2的幂在2进制中只有1 阅读全文

posted @ 2018-01-25 13:31 浩然119 阅读(153) 评论(0) 推荐(0)

LeetCode 14. Longest Common Prefix

摘要：https://leetcode.com/problems/longest-common-prefix/description/ Write a function to find the longest common prefix string amongst an array of strings 阅读全文

posted @ 2017-12-13 20:02 浩然119 阅读(176) 评论(0) 推荐(0)

LeetCode 177. Nth Highest Salary

摘要：https://leetcode.com/problems/nth-highest-salary/description/ Write a SQL query to get the nth highest salary from the Employee table. + + + | Id | Sa 阅读全文

posted @ 2017-10-12 09:28 浩然119 阅读(458) 评论(0) 推荐(0)

LeetCode 176. Second Highest Salary

摘要：https://leetcode.com/problems/second-highest-salary/description/ Write a SQL query to get the second highest salary from the Employee table. + + + | I 阅读全文

posted @ 2017-10-12 08:31 浩然119 阅读(393) 评论(0) 推荐(0)

LeetCode 175. Combine Two Tables

posted @ 2017-10-11 21:15 浩然119 阅读(142) 评论(0) 推荐(0)

LeetCode 53. Maximum Subarray

摘要：https://leetcode.com/problems/maximum-subarray/description/ Find the contiguous subarray within an array (containing at least one number) which has th 阅读全文

posted @ 2017-09-21 23:28 浩然119 阅读(154) 评论(0) 推荐(0)

LeetCode 10. Regular Expression Matching

摘要：https://leetcode.com/problems/regular-expression-matching/description/ Implement regular expression matching with support for '.' and '*'. 字符串匹配。最后一个样阅读全文

posted @ 2017-09-01 22:02 浩然119 阅读(203) 评论(0) 推荐(0)

LeetCode 5. Longest Palindromic Substring

摘要：https://leetcode.com/problems/longest-palindromic-substring/description/ Given a string s, find the longest palindromic substring in s. You may assume 阅读全文

posted @ 2017-08-31 18:22 浩然119 阅读(191) 评论(0) 推荐(0)

LeetCode 67. Add Binary

摘要：https://leetcode.com/problems/add-binary/description/ Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Re 阅读全文

posted @ 2017-08-30 20:21 浩然119 阅读(178) 评论(0) 推荐(0)

LeetCode 8. String to Integer (atoi)

摘要：https://leetcode.com/problems/string-to-integer-atoi/description/ Implement atoi to convert a string to an integer. Hint: Carefully consider all possi 阅读全文

posted @ 2017-08-29 17:54 浩然119 阅读(210) 评论(0) 推荐(0)

随笔分类 - LeetCode