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Data Structure

Here are the articles in this section:
Basic Calculator
1146.Snapshot-Array
1152.Analyze-User-Website-Visit-Pattern
1167.Minimum-Cost-to-Connect-Sticks
1172.Dinner-Plate-Stacks
1236.Web-Crawler
128.Longest-Consecutive-Sequence
146.LRU-Cache
155.Min-Stack
158.Read-N-Characters-Given-Read4-II---Call-multiple-times
225.Implement-Stack-using-Queues
232.Implement-Queue-using-Stacks
253.Meeting-Rooms-II
263.Ugly-Number
271.Encode-and-Decode-Strings
[28.Implement-strStr()](Data-Structure/28.Implement-strStr().md)
281.Zigzag-Iterator
284.Peeking-Iterator
295.Find-Median-from-Data-Stream
314.Binary-Tree-Vertical-Order-Traversal
332.Reconstruct-Itinerary
341.Flatten-Nested-List-Iterator
346.Moving-Average-from-Data-Stream
348.Design-Tic-Tac-Toe
353.Design-Snake-Game
359.Logger-Rate-Limiter
362.Design-Hit-Counter
[380.Insert-Delete-GetRandom-O(1)](Data-Structure/380.Insert-Delete-GetRandom-O(1).md)
[381.Insert-Delete-GetRandom-O(1)---Duplicates-allowed](Data-Structure/381.Insert-Delete-GetRandom-O
384.Shuffle-an-Array
41.First-Missing-Positive
460.LFU-Cache
[470.Implement-Rand10()-Using-Rand7()](Data-Structure/470.Implement-Rand10()-Using-Rand7().md)
49.Group-Anagrams
523.Continuous-Subarray-Sum
528.Random-Pick-with-Weight
535.Encode-and-Decode-TinyURL
545.Boundary-of-Binary-Tree
572.Subtree-of-Another-Tree
588.Design-In-Memory-File-System
622.Design-Circular-Queue
642.Design-Search-Autocomplete-System
692.Top-K-Frequent-Words
706.Design-HashMap
707.Design-Linked-List
729.My-Calendar-I
731.My-Calendar-II
759.Employee-Free-Time
794.Valid-Tic-Tac-Toe-State
84.Largest-Rectangle-in-Histogram
843.Guess-the-Word
900.RLE-Iterator
937.Reorder-Data-in-Log-Files
981.Time-Based-Key-Value-Store
99.Recover-Binary-Search-Tree
Add And Search Word Data Structure Design
Heapify
Max Tree
Rehashing
Subarray Sum Zero