| 2022-12-04 | Minimum Average Difference-(Amazon, Paytm) : Explanation ➕ Live Coding | 21:47 | 473 | |
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| 2022-12-03 | Sort Characters By Frequency (Heap) (Google, Amazon, Oracle, Zoho, Zycus) :Explanation ➕ Live Coding | 16:53 | 221 | |
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| 2022-12-03 | Sort Characters By Frequency (Google, Amazon, Oracle, Zoho, Zycus) : Explanation ➕ Live Coding | 17:24 | 281 | |
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| 2022-12-03 | Design Web Crawler (Part-VI) : Google, Amazon, Meta : STEP-3 : Design Deep Dive Complete & WRAP-UP | 32:04 | 193 | |
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| 2022-12-02 | Determine if Two Strings Are Close (Google,Microsoft,Atlassian…) : Explanation➕Live Coding | 24:23 | 709 | |
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| 2022-12-01 | Determine if String Halves Are Alike (Screening :Google,Amazon,Microsoft):Explanation➕Live Coding | 8:54 | 364 | |
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| 2022-11-30 | Unique Number of Occurrences -(Google, Twitter, Amazon, Netflix) : Explanation ➕ Live Coding | 12:19 | 695 | |
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| 2022-11-29 | Insert Delete GetRandom O(1)-(Google, Amazon,Twitter, Meta, Uber, Microsoft):Explanation➕Live Coding | 21:24 | 442 | |
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| 2022-11-28 | Find Players With Zero or One Losses -(Google) : Explanation ➕ Live Coding | 15:55 | 500 | |
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| 2022-11-27 | Arithmetic Slices II - Subsequence -(Google, Meta, Netflix, Amazon, Apple):Explanation ➕ Live Coding | 29:24 | 956 | |
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| 2022-11-26 | Maximum Profit in Job Scheduling -(Classic DP): Explanation ➕ Live Coding | 27:50 | 1,852 | |
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| 2022-11-25 | Sum of Subarray Minimums (Amazon, Google, Meta) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 49:39 | 853 | |
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| 2022-11-24 | Word Search -(Apple, Amazon, Microsoft, Intuit) : Explanation ➕ Live Coding | 18:22 | 687 | |
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| 2022-11-23 | Valid Sudoku -(Google, Amazon, Microsoft, Uber, Apple, Snapchat) : Explanation ➕ Live Coding | 41:14 | 570 | |
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| 2022-11-22 | Perfect Squares -(Google, Salesforce, Microsoft, Meta, Amazon): Explanation ➕ Live Coding | 17:37 | 504 | |
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| 2022-11-21 | Nearest Exit from Entrance in Maze -(Samsung) : Explanation ➕ Live Coding | 18:45 | 497 | |
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| 2022-11-20 | Basic Calculator (Google, Meta, Airbnb) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 34:20 | 379 | |
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| 2022-11-20 | Ugly Number II -(Google, Meta, Microsoft, GoldmanSachs, Paytm, Walmart): Explanation ➕ Live Coding | 31:09 | 243 | |
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| 2022-11-19 | Erect the Fence -(GOOGLE) : Explanation ➕ Live Coding | 28:52 | 1,334 | |
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| 2022-11-18 | Ugly Number -(Amazon , Meta) : Explanation ➕ Live Coding | 6:21 | 317 | |
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| 2022-11-16 | Guess Number Higher or Lower -(Microsoft , Google (with variation)) : Explanation ➕ Live Coding | 3:59 | 175 | |
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| 2022-11-15 | Count Complete Tree Nodes -(Amazon, Microsoft, Salesforce, Meta) : Explanation ➕ Live Coding | 21:36 | 281 | |
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| 2022-11-14 | Most Stones Removed with Same Row or Column -(Asked by Google) : Explanation ➕ Live Coding | 32:50 | 599 | |
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| 2022-11-13 | Reverse Words in a String (Amazon, Microsoft, MentorGraphics, MakeMyTrip) : Explanation➕Live Coding | 22:53 | 372 | |
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| 2022-11-12 | Find Median from Data Stream (Google, Amazon, Microsoft, Meta...) : Explanation ➕ Live Coding | 36:44 | 403 | |
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| 2022-11-11 | Remove Duplicates from Sorted Array (Google, Amazon, Microsoft…) : Explanation ➕ Live Coding | 9:10 | 350 | |
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| 2022-11-10 | Remove All Adjacent Duplicates In String (Microsoft, Paytm, Samsung) : Explanation ➕ Live Coding | 10:06 | 248 | |
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| 2022-11-09 | Online Stock Span (Microsoft, Amazon, FactSet, Samsung, Adobe, Flipkart) : Explanation ➕ Live Coding | 16:51 | 530 | |
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| 2022-11-08 | Make The String Great -(Google, Apple, LinkedIn, Microsoft): Explanation ➕ Live Coding | 12:23 | 345 | |
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| 2022-11-07 | Maximum 69 Number (ORACLE Phone Interview): Greedy Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 14:44 | 419 | |
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| 2022-11-06 | Orderly Queue -(Amazon): Explanation ➕ Live Coding | 20:17 | 462 | |
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| 2022-11-05 | Word Search II (Google, Amazon, Meta, Microsoft, Salesforce…) : Explanation ➕ Live Coding | 44:37 | 525 | |
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| 2022-11-04 | Design Web Crawler (Part-V) : Google, Amazon, Meta : STEP-3 : Design Deep Dive (URL Frontier) 🏗⚙️👷 | 19:41 | 134 | |
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| 2022-11-04 | Reverse Vowels of a String (Google, Zoho, Flipkart) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 9:23 | 322 | |
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| 2022-11-03 | Longest Palindrome by Concatenating Two Letter Words: Greedy Explanation ➕ Live Coding 🧑🏻💻 | 27:38 | 419 | |
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| 2022-11-02 | Minimum Genetic Mutation -(Asked by Twitter) : Explanation ➕ Live Coding | 30:14 | 1,252 | |
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| 2022-11-01 | Where Will the Ball Fall -(Amazon) : Explanation ➕ Live Coding | 20:24 | 251 | |
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| 2022-10-31 | Toeplitz Matrix -(Google, Meta, Apple) : Explanation ➕ Live Coding | 9:48 | 161 | |
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| 2022-10-30 | Shortest Path in a Grid with Obstacles Elimination -(Google) : Explanation ➕ Live Coding | 26:47 | 417 | |
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| 2022-10-29 | Earliest Possible Day of Full Bloom(Google, Amazon, Microsoft, Adobe):Explanation ➕ Live Coding | 33:57 | 251 | |
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| 2022-10-28 | “Group Anagrams” - (Google, Apple, Amazon, Microsoft and many more). Link In Description | 0:36 | 392 | |
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| 2022-10-27 | Image Overlap -(Google) : Explanation ➕ Live Coding | 28:56 | 390 | |
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| 2022-10-26 | Continuous Subarray Sum -(Amazon, Meta, Paytm): Explanation ➕ Live Coding | 21:41 | 224 | |
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| 2022-10-25 | Check If Two String Arrays are Equivalent -(Goldman Sachs): Explanation ➕ Live Coding | 14:39 | 244 | |
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| 2022-10-24 | Maximum Length of a Concatenated String with Unique Characters -(Amazon): Explanation ➕ Live Coding | 23:50 | 376 | |
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| 2022-10-23 | Set Mismatch (Better Technique) -(Amazon): Explanation ➕ Live Coding | 19:16 | 662 | |
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| 2022-10-22 | Contains Duplicate II (Sliding Window) -(Airbnb, Palantir Technologies): Explanation ➕ Live Coding | 16:17 | 313 | Vlog |
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| 2022-10-22 | Minimum Window Substring -(Google, Amazon, MakeMyTrip, Microsoft): Explanation ➕ Live Coding 🧑🏻💻 | 38:06 | 354 | |
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| 2022-10-21 | Contains Duplicate II -(Airbnb, Palantir Technologies): Explanation ➕ Live Coding 🧑🏻💻 | 11:10 | 129 | Vlog |
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| 2022-10-20 | Integer to Roman -(Amazon, Facebook, Microsoft, Twitter, Apple, Google..): Explanation ➕ Live Coding | 17:21 | 172 | |
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| 2022-10-19 | Top K Frequent Words -(Amazon, Bloomberg, Uber, Microsoft, Adobe...): Explanation ➕ Live Coding | 17:56 | 228 | |
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| 2022-10-18 | Count and Say -(Zoho, Amazon, Microsoft, Facebook, Google(3 years ago)): Explanation ➕ Live Coding | 16:28 | 265 | |
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| 2022-10-17 | Design Web Crawler (Part-IV) : Google, Amazon, Meta : STEP-3 : Design Deep Dive (BFS vs DFS) 🏗⚙️👷 | 9:27 | 89 | |
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| 2022-10-17 | Check if the Sentence Is Pangram -(Zoho, Snapdeal): Explanation ➕ Live Coding 🧑🏻💻 | 11:49 | 258 | |
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| 2022-10-16 | Minimum Difficulty of a Job Schedule -(Amazon): Explanation ➕ Live Coding 🧑🏻💻 | 30:52 | 1,489 | |
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| 2022-10-15 | String Compression -(Amazon, Snapchat, Microsoft, Lyft....): Explanation ➕ Live Coding 🧑🏻💻 | 19:34 | 999 | |
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| 2022-10-15 | First negative integer in every window of size k-(Amazon,MentorGraphics):Explanation➕ Live Coding | 27:22 | 576 | |
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| 2022-10-14 | Delete the Middle Node of a Linked List-(Flipkart, Amazon, Microsoft):Explanation➕Live Coding🧑🏻💻 | 14:36 | 162 | |
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| 2022-10-13 | Delete Node in a Linked List -(Apple, Amazon, Adobe, Microsoft): Explanation ➕ Live Coding 🧑🏻💻 | 12:01 | 291 | |
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| 2022-10-12 | Largest Perimeter Triangle -(Asked by C3.ai): Explanation ➕ Live Coding 🧑🏻💻 | 11:06 | 106 | |
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| 2022-10-11 | Increasing Triplet Subsequence -(Amazon, Walmart, Facebook): Explanation ➕ Live Coding 🧑🏻💻 | 24:32 | 138 | |
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| 2022-10-08 | Find Pivot Index -(Amazon, Adobe, Radius, Coupang): Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 15:06 | 129 | |
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| 2022-10-08 | Design Web Crawler(Part-III):Google, Amazon, Meta: STEP-2 : Propose A High Level Design & Get Buy-in | 17:38 | 87 | |
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| 2022-10-07 | Design Web Crawler (Part-II) : Google, Amazon, Meta: STEP-1 : Back Of The Envelope Estimation 🏗⚙️👷 | 8:10 | 85 | |
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| 2022-10-06 | Design Web Crawler (Part-I): (Google) : STEP-1 : Understand The Problem & Establish Design Scope | 9:09 | 116 | |
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| 2022-10-05 | Add One Row to Tree - (GOOGLE) : Explanation + Live Coding 🧑🏻💻👩🏻💻 | 15:08 | 133 | |
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| 2022-10-03 | Minimum Time to Make Rope Colorful : Greedy Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 23:41 | 214 | |
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| 2022-10-02 | Search in Rotated Sorted Array II-(Adobe, Amazon, Microsoft....🤩):Live Coding 🧑🏻💻👩🏻💻 | 20:38 | 117 | |
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| 2022-10-01 | Broken Calculator - (Samsung) : Greedy Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 16:24 | 171 | |
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| 2022-09-30 | Break a Palindrome - (Google, Amazon) : Greedy Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 15:06 | 175 | |
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| 2022-09-29 | Path Sum - (Amazon, Microsoft, Accolite, Adobe...) : Explanation + Live Coding 🧑🏻💻👩🏻💻 | 10:33 | 98 | |
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| 2022-09-27 | Design A URL Shortener (Part-XI): STEP-3&4 : DESIGN DEEP DIVE & WRAP UP (URL Redirecting Deep Dive) | 10:21 | 94 | |
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| 2022-09-25 | Design A URL Shortener (Part-X): STEP-3 : DESIGN DEEP DIVE (URL SHORTENING FLOW) 🏗⚙️👷 | 6:51 | 91 | |
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| 2022-09-25 | Path Sum II - (Bloomberg, LinkedIn, Amazon, Bloomberg, Quora) : Explanation + Live Coding 🧑🏻💻 | 12:38 | 104 | |
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| 2022-09-22 | Design A URL Shortener (Part-IX): STEP-3 : DESIGN DEEP DIVE (BASE-62 CONVERSION) 🏗⚙️👷 | 12:28 | 144 | |
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| 2022-09-21 | Sum of Even Numbers After Queries-(Asked in Indeed): Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 20:07 | 155 | |
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| 2022-09-20 | Design A URL Shortener (Part-VIII): STEP-3 : DESIGN DEEP DIVE (HASH + COLLISION RESOLUTION) 🏗⚙️👷 | 7:20 | 103 | |
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| 2022-09-19 | Design A URL Shortener (Part-VII): STEP-3 : DESIGN DEEP DIVE (HASH FUNCTION) !!! 🏗⚙️👷 | 5:04 | 118 | |
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| 2022-09-17 | Binary Tree Pruning (O(n))- (Google, Amazon, Microsoft) : Explanation + Live Coding 🧑🏻💻👩🏻💻 | 6:00 | 99 | |
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| 2022-09-17 | Binary Tree Pruning (O(n^2)) -(Google, Amazon, Microsoft) : Explanation + Live Coding 🧑🏻💻👩🏻💻 | 16:48 | 105 | |
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| 2022-09-16 | Find Original Array From Doubled Array-(Google, Amazon…): Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 14:55 | 150 | |
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| 2022-09-14 | Boats to Save People - (Google) : Greedy Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 13:59 | 445 | |
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| 2022-09-12 | Bag of Tokens - (Google) : Greedy Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 18:28 | 493 | |
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| 2022-09-11 | Design A URL Shortener (Part-VI): STEP-3 : DESIGN DEEP DIVE (DATA MODEL) !!! 🏗⚙️👷 | 3:58 | 112 | |
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| 2022-09-10 | Minimum Size Subarray Sum-(Google, Accolite, Amazon..):Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 18:40 | 271 | |
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| 2022-09-05 | Design A URL Shortener (Part-V): STEP-2 : URL SHORTENING (HASH FUNCTION) !!! 🏗⚙️👷 | 3:55 | 150 | |
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| 2022-09-04 | Sort Colors- (Adobe, Amazon, Flipkart.....) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 14:08 | 120 | |
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| 2022-09-02 | Search in Rotated Sorted Array-(Google, Amazon, Microsoft....🤩):Live Coding 🧑🏻💻👩🏻💻 | 18:11 | 196 | |
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| 2022-09-01 | Design A URL Shortener (Part-IV): STEP-2 : 301 Redirect Vs 302 Redirect Status Code !!! 🏗⚙️👷 | 7:46 | 129 | |
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| 2022-08-30 | Design A URL Shortener (Part-III): STEP-2 : Propose High Level Design & Get Buy-In !!! 🏗⚙️👷 | 7:04 | 126 | |
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| 2022-08-29 | Diagonal Traverse - (Google, Amazon) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 13:04 | 126 | |
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| 2022-08-28 | Sort the Matrix Diagonally - (MICROSOFT) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 24:02 | 261 | |
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| 2022-08-27 | Design A URL Shortener (Part-II): Back Of The Envelope Estimation !!! 🏗⚙️👷 | 7:07 | 167 | |
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| 2022-08-26 | Design A URL Shortener (Part-I): Step-1 (Understand The Problem & Establish Design Scope) !!! 🏗⚙️👷 | 5:59 | 158 | |
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| 2022-08-25 | Group Anagrams (without sorting) - (Google,Amazon,Apple.) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 14:24 | 168 | |
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| 2022-08-24 | Group Anagrams (using sorting) - (Google,Amazon,Apple...) : Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 11:36 | 179 | |
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| 2022-08-22 | Find the Rotation Count in Rotated Sorted array-(Amazon, Flipkart, ABCO):Live Coding 🧑🏻💻👩🏻💻 | 11:41 | 239 | |
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| 2022-08-21 | Find Leaves Of Binary Tree - (Google Onsite-2022, Amazon) : Live Coding 🧑🏻💻👩🏻💻 | 17:45 | 155 | |
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| 2022-08-19 | Design A Unique ID Generator In Distributed Systems (Part-VII): Wrap Up !!! 🏗👷👩🏻💻 | 3:48 | 135 | |
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| 2022-08-18 | Find All Anagrams in a String-(Amazon, Microsoft, Flipkart):Explanation ➕ Live Coding 🧑🏻💻👩🏻💻 | 6:24 | 301 | |
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