2019年1月31日
48. Rotate Image
摘要： You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Note: You have to rotate the image in-place, which 阅读全文
posted @ 2019-01-31 13:59 Schwifty 阅读(283) 评论(0) 推荐(0)
83. Remove Duplicates from Sorted List
摘要： Given a sorted linked list, delete all duplicates such that each element appear only once. Example 1: Example 2: 另一种迭代，更好懂。cur一直等于prev的next，用prev来判断后面 阅读全文
posted @ 2019-01-31 13:37 Schwifty 阅读(161) 评论(0) 推荐(0)
46. Permutations
摘要： Given a collection of distinct integers, return all possible permutations. Example: Input: [1,2,3] Output: [ [1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1, 阅读全文
posted @ 2019-01-31 13:03 Schwifty 阅读(172) 评论(0) 推荐(0)
2019年1月30日
HTML5笔记
摘要： Webstorm 创建html5 文件快捷键 Ctrl+alt+Insert 如何在WebStorm中光标移到最后最前：End 和 Home 如何迅速在多行同位置插入相同内容？ 点击，Alt，按住往下拖 如何快速复制 / 删除光标所在行内容？Ctrl + D / Ctrl + X 选中文字，Ctrl 阅读全文
posted @ 2019-01-30 14:38 Schwifty 阅读(154) 评论(0) 推荐(0)
18. 4Sum
摘要： Given an array nums of n integers and an integer target, are there elements a, b, c, and d in nums such that a + b + c + d = target? Find all unique q 阅读全文
posted @ 2019-01-30 13:11 Schwifty 阅读(159) 评论(0) 推荐(0)
24. Swap Nodes in Pairs
摘要： Given a linked list, swap every two adjacent nodes and return its head. Example: Note: Your algorithm should use only constant extra space. You may no 阅读全文
posted @ 2019-01-30 11:16 Schwifty 阅读(85) 评论(0) 推荐(0)
42. Trapping Rain Water
摘要： Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文
posted @ 2019-01-30 09:21 Schwifty 阅读(167) 评论(0) 推荐(0)
2019年1月29日
38. Count and Say
摘要： The count-and-say sequence is the sequence of integers with the first five terms as following: 1 is read off as "one 1" or 11.11 is read off as "two 1 阅读全文
posted @ 2019-01-29 23:32 Schwifty 阅读(114) 评论(0) 推荐(0)
36. Valid Sudoku 终极之牛逼方法
摘要： Determine if a 9x9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain the digit 阅读全文
posted @ 2019-01-29 05:41 Schwifty 阅读(138) 评论(0) 推荐(0)
34. Find First and Last Position of Element in Sorted Array
摘要： Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime com 阅读全文
posted @ 2019-01-29 02:43 Schwifty 阅读(146) 评论(0) 推荐(0)