LeetCode #21 Merge Two Sorted Lists
摘要：LeetCode 21 Merge Two Sorted Lists Question Merge two sorted linked lists and return it as a new list. The new list should be made by splicing togethe
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2017-05-26 13:59
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LeetCode #19 Remove Nth Node From End of List
摘要：LeetCode 19 Remove Nth Node From End of List Question Given a linked list, remove the n th node from the end of list and return its head. For example,
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2017-05-26 11:28
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LeetCode #17 Letter Combinations of a Phone Number
摘要：LeetCode 17 Letter Combinations of a Phone Number Question Given a digit string, return all possible letter combinations that the number could represe
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2017-05-24 20:51
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LeetCode #18 4Sum
摘要：LeetCode 18 4Sum Question Given an array S of n integers, are there elements a , b , c , and d in S such that a + b + c + d = target? Find all unique
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2017-05-23 17:59
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LeetCode #16 3Sum Closest
摘要：LeetCode 16 3Sum Closest Question Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Ret
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2017-05-23 16:10
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LeetCode #15 3Sum
摘要：LeetCode 15 3Sum Question Given an array S of n integers, are there elements a , b , c in S such that a + b + c = 0? Find all unique triplets in the a
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2017-05-23 12:53
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LeetCode #8 String to Integer (atoi)
摘要：LeetCode 8 String to Integer (atoi) Question Implement atoi to convert a string to an integer. Hint: Carefully consider all possible input cases. If y
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2017-05-21 11:21
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LeetCode #5 Longest Palindromic Substring
摘要：LeetCode 5 Longest Palindromic Substring Question Given a string s , find the longest palindromic substring in s . You may assume that the maximum len
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2017-05-20 17:17
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LeetCode #3 Longest Substring Without Repeating Characters
摘要：LeetCode 3 Longest Substring Without Repeating Characters Question Given a string, find the length of the longest substring without repeating characte
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2017-05-19 14:29
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Swift 中 String 取下标及性能问题
摘要：Swift 中 String 取下标及性能问题 取下标 String String 用 String.Index 取下标(subscript)得到 Character，String.Index 要从 String 中获取 String 用 Range<String.Index> 或 Cl
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2017-05-19 12:06
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LeetCode #11 Container With Most Water
摘要：LeetCode 11 Container With Most Water Question Given n non negative integers a1 , a2 , ..., an , where each represents a point at coordinate ( i , ai
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2017-05-16 15:06
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LeetCode #2 Add Two Numbers
摘要：LeetCode 2 Add Two Numbers Question You are given two non empty linked lists representing two non negative integers. The digits are stored in reverse
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2017-05-13 11:45
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LeetCode #9 Palindrome Number
摘要：LeetCode 9 Palindrome Number Question Determine whether an integer is a palindrome. Do this without extra space. Some hints: Could negative integers b
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2017-05-12 18:55
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LeetCode #7 Reverse Integer
摘要：LeetCode 7 Reverse Integer Question Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = 123, return 321 Have you thought about t
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2017-05-12 15:18
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LeetCode #1 Two Sum
摘要：LeetCode 1 Two Sum Question Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume t
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2017-05-09 20:54
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iOS 使用 UIMenuController 且不隐藏键盘的方法
摘要：iOS 使用 UIMenuController 且不隐藏键盘的方法 在键盘显示的时候使用 UIMenuController 弹出菜单，保持键盘显示且可输入的状态。 实现方法有 1. 修改响应链(推荐) 2. 遵循 UIKeyInput 协议 3. 自定义 Menu controller 前两种方法的
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2017-05-08 18:03
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iOS 真机测试错误“The application bundle does not contain a valid identifier”
摘要：iOS 真机测试错误“The application bundle does not contain a valid identifier” 真机测试的时候报错：“The application bundle does not contain a valid identifier”。在这里找到解决方
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2017-05-06 15:33
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