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Facebook_Jiuzhang
Facebook_Jiuzhang
 
 
Wepay and OfferUp
Wepay and OfferUp
 
 
001. Two Sum.py
001. Two Sum.py
 
 
010. Regular Expression Matching.py
010. Regular Expression Matching.py
 
 
013. Roman to Integer.py
013. Roman to Integer.py
 
 
015. 3Sum.py
015. 3Sum.py
 
 
017. Letter Combinations of a Phone Number.py
017. Letter Combinations of a Phone Number.py
 
 
020. Valid Parentheses.py
020. Valid Parentheses.py
 
 
021. Merge Two Sorted Lists.py
021. Merge Two Sorted Lists.py
 
 
023. Merge k Sorted Lists.py
023. Merge k Sorted Lists.py
 
 
026. Remove Duplicates from Sorted Array.py
026. Remove Duplicates from Sorted Array.py
 
 
028. Implement strStr().py
028. Implement strStr().py
 
 
031. Next Permutation.py
031. Next Permutation.py
 
 
033. Search in Rotated Sorted Array.py
033. Search in Rotated Sorted Array.py
 
 
037. Sudoku Solver.py
037. Sudoku Solver.py
 
 
039. Combination Sum.py
039. Combination Sum.py
 
 
040. Combination Sum II.py
040. Combination Sum II.py
 
 
043. Multiply Strings.py
043. Multiply Strings.py
 
 
044. Wildcard Matching.py
044. Wildcard Matching.py
 
 
046. Permutations.py
046. Permutations.py
 
 
047. Permutations II.py
047. Permutations II.py
 
 
049. Group Anagrams.py
049. Group Anagrams.py
 
 
050. Pow(x, n).py
050. Pow(x, n).py
 
 
051. N-Queens.py
051. N-Queens.py
 
 
052. N-Queens II.py
052. N-Queens II.py
 
 
054. Spiral Matrix.py
054. Spiral Matrix.py
 
 
056. Merge Intervals.py
056. Merge Intervals.py
 
 
057. Insert Interval.py
057. Insert Interval.py
 
 
067. Add Binary.py
067. Add Binary.py
 
 
069. Sqrt(x).py
069. Sqrt(x).py
 
 
071. Simplify Path.py
071. Simplify Path.py
 
 
075. Sort Colors.py
075. Sort Colors.py
 
 
076. Minimum Window Substring.py
076. Minimum Window Substring.py
 
 
077. Combinations.py
077. Combinations.py
 
 
078. Subsets.py
078. Subsets.py
 
 
080. Remove Duplicates from Sorted Array II.py
080. Remove Duplicates from Sorted Array II.py
 
 
084. Largest Rectangle in Histogram.py
084. Largest Rectangle in Histogram.py
 
 
085. Maximal Rectangle.py
085. Maximal Rectangle.py
 
 
088. Merge Sorted Array.py
088. Merge Sorted Array.py
 
 
090. Subsets II.py
090. Subsets II.py
 
 
091. Decode Ways.py
091. Decode Ways.py
 
 
098. Validate Binary Search Tree.py
098. Validate Binary Search Tree.py
 
 
102. Binary Tree Level Order Traversal.py
102. Binary Tree Level Order Traversal.py
 
 
110. Balanced Binary Tree.py
110. Balanced Binary Tree.py
 
 
117. Populating Next Right Pointers in Each Node II.py
117. Populating Next Right Pointers in Each Node II.py
 
 
121. Best Time to Buy and Sell Stock.py
121. Best Time to Buy and Sell Stock.py
 
 
124. Binary Tree Maximum Path Sum.py
124. Binary Tree Maximum Path Sum.py
 
 
125. Valid Palindrome.py
125. Valid Palindrome.py
 
 
127. Word Ladder.py
127. Word Ladder.py
 
 
133. Clone Graph.py
133. Clone Graph.py
 
 
139. Word Break.py
139. Word Break.py
 
 
146. LRU Cache.py
146. LRU Cache.py
 
 
157. Read N Characters Given Read4.py
157. Read N Characters Given Read4.py
 
 
158. Read N Characters Given Read4 II - Call multiple times.py
158. Read N Characters Given Read4 II - Call multiple times.py
 
 
161. One Edit Distance.py
161. One Edit Distance.py
 
 
168. Excel Sheet Column Title.py
168. Excel Sheet Column Title.py
 
 
173. Binary Search Tree Iterator.py
173. Binary Search Tree Iterator.py
 
 
206. Reverse Linked List.py
206. Reverse Linked List.py
 
 
207. Course Schedule.py
207. Course Schedule.py
 
 
208. Course Scheduleii.py
208. Course Scheduleii.py
 
 
208. Implement Trie (Prefix Tree).py
208. Implement Trie (Prefix Tree).py
 
 
209. Minimum Size Subarray Sum.py
209. Minimum Size Subarray Sum.py
 
 
211. Add and Search Word - Data structure design.py
211. Add and Search Word - Data structure design.py
 
 
215. Kth Largest Element in an Array.py
215. Kth Largest Element in an Array.py
 
 
234. Palindrome Linked List.py
234. Palindrome Linked List.py
 
 
235. Lowest Common Ancestor of a Binary Search Tree.py
235. Lowest Common Ancestor of a Binary Search Tree.py
 
 
236. Lowest Common Ancestor of a Binary Tree.py
236. Lowest Common Ancestor of a Binary Tree.py
 
 
238. Product of Array Except Self.py
238. Product of Array Except Self.py
 
 
252. Meeting Rooms.py
252. Meeting Rooms.py
 
 
253. Meeting Rooms II.py
253. Meeting Rooms II.py
 
 
257. Binary Tree Paths.py
257. Binary Tree Paths.py
 
 
261. Graph Valid Tree.py
261. Graph Valid Tree.py
 
 
265. Paint House II.py
265. Paint House II.py
 
 
269. Alien Dictionary.py
269. Alien Dictionary.py
 
 
270. Closest Binary Search Tree Value.py
270. Closest Binary Search Tree Value.py
 
 
274. H-Index.py
274. H-Index.py
 
 
275. H-Index II.py
275. H-Index II.py
 
 
277. Find the Celebrity.py
277. Find the Celebrity.py
 
 
278. First Bad Version.py
278. First Bad Version.py
 
 
282. Expression Add Operators.py
282. Expression Add Operators.py
 
 
283. Move Zeroes.py
283. Move Zeroes.py
 
 
285. Inorder Successor in BST.py
285. Inorder Successor in BST.py
 
 
286. Walls and Gates.py
286. Walls and Gates.py
 
 
297. Serialize and Deserialize Binary Tree.py
297. Serialize and Deserialize Binary Tree.py
 
 
300. Longest Increasing Subsequence.py
300. Longest Increasing Subsequence.py
 
 
301. Remove Invalid Parentheses.py
301. Remove Invalid Parentheses.py
 
 
311. Sparse Matrix Multiplication.py
311. Sparse Matrix Multiplication.py
 
 
314. Binary Tree Vertical Order Traversal.py
314. Binary Tree Vertical Order Traversal.py
 
 
325. Maximum Size Subarray Sum Equals k.py
325. Maximum Size Subarray Sum Equals k.py
 
 
334. Increasing Triplet Subsequence.py
334. Increasing Triplet Subsequence.py
 
 
336. Palindrome Pairs.py
336. Palindrome Pairs.py
 
 
341. Flatten Nested List Iterator.py
341. Flatten Nested List Iterator.py
 
 
377. Combination Sum IV.py
377. Combination Sum IV.py
 
 
380. Insert Delete GetRandom O(1).py
380. Insert Delete GetRandom O(1).py
 
 
394. Decode String.py
394. Decode String.py
 
 
398. Random Pick Index.py
398. Random Pick Index.py
 
 
404. Sum of Left Leaves.py
404. Sum of Left Leaves.py
 
 
461. Hamming Distance.py
461. Hamming Distance.py
 
 
477. Total Hamming Distance.py
477. Total Hamming Distance.py
 
 
494. Target Sum.py
494. Target Sum.py
 
 

Repository files navigation

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
--21

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/

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