Create 11.0.md

第11章最长公共子序列翻译
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Update 11.0.md
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fix july's github link
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Merge pull request #1 from julycoding/master

merge master to my own repo
improve chapter 2 readability
improve chapter 3 readability
add chapter 3 link
Merge pull request #36 from Boshen/master

improve readability of chapter 2 and 3, change some links
Merge pull request #38 from Benjamin-T/master

create a English version of Chapter 11 (LCS problem)
Update Readme.md
Update Readme.md
Update preface.md
improve chapter 4 readability
improve chapter 5 readability
improve readability of chapter 11 (english version)