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Letter Combinations of a Phone Number
Oct 06, 2017
打卡,第13天 昨晚贼晚睡,然后今天就快吃午饭才起来,然后我又躺尸了一个下午。。。 今天刷了一道Medium的题目——Letter Combinations of a Phone Num…
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Longest SubString with At Least K Repeating Characters
Oct 05, 2017
打卡,第12天 今天刷的题目是Longest Substring with At Least K Repeating Characters: Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than k times. Input: s = “aaabb”, k = 3 Output: 3 The longest substring is…
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LongestPalindromicSubString
Oct 03, 2017
打卡,第10天 今天刷的题是Longest Palindromic Substring,开始想着用动态规划做,但是我好像连动态规划是什么我都不知道。。。 题目: Given a string s,…
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Longest Substring Without Repeating Characters
Oct 01, 2017
Longest Substring Without Repeating Characters 打卡,第8天 今天国庆,然而不会家,找了一道之前不敢做的题目做了——Longest Substring Without Repeating Characters,开始又是想着用分治法去…
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Longest Common Prefix
Sep 25, 2017
恩,今天早上1,2节没课,闲来无事就先把今天的题刷了(你的算法分析实验呢?)今天的题目是Longest Common Prefix,恩,比那个什么最长公共…