README.md

Facebook_Prepare

Freq

[x] Three sum without sorted
[x] Task Scheduler [x] 301 remove invalid parenthesis
[x] 17 letter combination of phone
[x] Sort the numbers based on categories -- 075 follow up
[x] Binary Search templete
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System Design

[] Tushar Roy

New

[] https://github.com/shileiwill/destination/blob/5b2b59eb070dd13232fe0e467d64655e36874b3f/Round1/src/company/facebook/WinDesign

[] https://github.com/tongzhang1994/Facebook-Interview-Coding/blob/master/Least%20Removal%20to%20Valid%20Palindromic%20Subsequence.java

[] https://yuelng.github.io/2015/11/13/note/note_system_design_question/