| 2021-03-24 | 870. Advantage Shuffle - Day 24/31 Leetcode March Challenge | 10:30 | 276 | |
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| 2021-03-23 | 923. 3Sum With Multiplicity - Day 23/31 Leetcode March Challenge | 25:25 | 323 | |
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| 2021-03-22 | 966. Vowel Spellchecker - Day 22/31 Leetcode March Challenge | 14:19 | 231 | |
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| 2021-03-21 | 869. Reordered Power of 2 - Day 21/31 Leetcode March Challenge | 6:20 | 311 | |
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| 2021-03-21 | 1802. Maximum Value at a Given Index in a Bounded Array (Leetcode Medium) | 29:59 | 544 | |
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| 2021-03-21 | 1803. Count Pairs With XOR in a Range (Leetcode Hard) | 48:18 | 369 | |
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| 2021-03-21 | 1801. Number of Orders in the Backlog (Leetcode Medium) | 12:25 | 328 | Vlog |
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| 2021-03-21 | 1800. Maximum Ascending Subarray Sum (Leetcode Easy) | 4:51 | 403 | |
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| 2021-03-21 | All over the place! Leetcode Weekly Contest 233 (69th) with commentary | 1:01:31 | 131 | |
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| 2021-03-20 | Learning to read! Leetcode Biweekly Contest 48 (109th) with commentary | 32:27 | 121 | |
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| 2021-03-20 | 1799. Maximize Score After N Operations (Leetcode Hard) | 20:59 | 2,267 | |
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| 2021-03-20 | 1796. Second Largest Digit in a String (Leetcode Easy) | 4:41 | 289 | |
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| 2021-03-20 | 1798. Maximum Number of Consecutive Values You Can Make (Leetcode Medium) | 10:00 | 335 | |
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| 2021-03-20 | 1797. Design Authentication Manager (Leetcode Medium) | 19:22 | 185 | |
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| 2021-03-20 | 1396. Design Underground System - Day 20/31 Leetcode March Challenge | 9:37 | 183 | |
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| 2021-03-19 | 841. Keys and Rooms - Day 19/31 Leetcode March Challenge | 11:53 | 138 | |
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| 2021-03-18 | 376. Wiggle Subsequence - Day 18/31 Leetcode March Challenge | 58:56 | 266 | |
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| 2021-03-17 | 478. Generate Random Point in a Circle - Day 17/31 Leetcode March Challenge | 30:02 | 239 | |
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| 2021-03-16 | 714. Best Time to Buy and Sell Stock with Transaction Fee - Day 16/31 Leetcode March Challenge | 12:30 | 506 | |
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| 2021-03-15 | 535. Encode and Decode TinyURL - Day 15/31 Leetcode March Challenge | 7:07 | 213 | |
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| 2021-03-14 | 1721. Swapping Nodes in a Linked List - Day 14/31 Leetcode March Challenge | 6:07 | 160 | |
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| 2021-03-14 | 1790. Check if One String Swap Can Make Strings Equal (Leetcode Easy) | 4:01 | 1,789 | |
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| 2021-03-14 | 1791. Find Center of Star Graph (Leetcode Easy) | 4:23 | 767 | |
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| 2021-03-14 | Too easy (for other people)! Leetcode Weekly Contest 232 (138th) with commentary | 30:18 | 236 | |
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| 2021-03-14 | 1792. Maximum Average Pass Ratio (Leetcode Medium) | 15:35 | 481 | |
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| 2021-03-14 | 1793. Maximum Score of a Good Subarray (Leetcode Hard) | 18:47 | 300 | |
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| 2021-03-13 | 823. Binary Trees With Factors - Day 13/31 Leetcode March Challenge | 17:40 | 468 | |
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| 2021-03-12 | 1461. Check If a String Contains All Binary Codes of Size K - Day 12/31 Leetcode March Challenge | 7:59 | 186 | |
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| 2021-03-11 | 322. Coin Change - Day 11/31 Leetcode March Challenge | 11:00 | 242 | |
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| 2021-03-10 | 12. Integer to Roman - Day 10/31 Leetcode March Challenge | 18:45 | 174 | |
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| 2021-03-09 | 623. Add One Row to Tree - Day 9/31 Leetcode March Challenge | 10:28 | 250 | |
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| 2021-03-08 | Prefix what! Leetcode Weekly Contest 231 (107th) with commentary | 1:10:32 | 115 | |
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| 2021-03-08 | 1332. Remove Palindromic Subsequences - Day 8/31 Leetcode March Challenge | 7:58 | 240 | |
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| 2021-03-07 | 706. Design HashMap - Day 7/31 Leetcode March Challenge | 5:05 | 457 | |
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| 2021-03-07 | 1786. Number of Restricted Paths From First to Last Node (Leetcode Medium) | 17:08 | 314 | |
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| 2021-03-07 | 1785. Minimum Elements to Add to Form a Given Sum (Leetcode Medium) | 10:57 | 112 | |
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| 2021-03-07 | 1784. Check if Binary String Has at Most One Segment of Ones (Leetcode Easy) | 2:55 | 701 | |
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| 2021-03-06 | That Q4 though! Leetcode Biweekly Contest 47 (68th) with commentary | 52:12 | 133 | |
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| 2021-03-06 | 1781. Sum of Beauty of All Substrings (Leetcode Medium) | 8:24 | 530 | |
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| 2021-03-06 | 1780. Check if Number is a Sum of Powers of Three (Leetcode Medium) | 4:46 | 536 | |
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| 2021-03-06 | 1782. Count Pairs Of Nodes (Leetcode Hard) | 55:38 | 277 | |
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| 2021-03-06 | 1779. Find Nearest Point That Has the Same X or Y Coordinate (Leetcode Easy) | 2:56 | 2,024 | |
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| 2021-03-06 | 820. Short Encoding of Words - Day 6/31 Leetcode March Challenge | 11:31 | 494 | |
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| 2021-03-05 | 637. Average of Levels in Binary Tree - Day 5/31 Leetcode March Challenge | 7:25 | 155 | |
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| 2021-03-04 | 160. Intersection of Two Linked Lists - Day 4/31 Leetcode March Challenge | 12:18 | 129 | |
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| 2021-03-03 | 268. Missing Number - Day 3/31 Leetcode March Challenge | 6:52 | 157 | |
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| 2021-03-02 | 645. Set Mismatch - Day 2/31 Leetcode March Challenge | 11:03 | 274 | |
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| 2021-03-01 | 575. Distribute Candies - Day 1/31 Leetcode March Challenge | 8:29 | 212 | |
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| 2021-02-28 | 895. Maximum Frequency Stack - Day 28/28 Leetcode February Challenge | 19:00 | 196 | |
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| 2021-02-28 | Convex Hull! Leetcode Weekly Contest 230 (94th) with commentary | 1:02:58 | 178 | |
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| 2021-02-28 | 1775. Equal Sum Arrays With Minimum Number of Operations (Leetcode Medium) | 35:02 | 432 | |
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| 2021-02-28 | 1773. Count Items Matching a Rule (Leetcode Easy) | 4:41 | 941 | |
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| 2021-02-28 | 1774. Closest Dessert Cost (Leetcode Medium) | 11:01 | 355 | |
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| 2021-02-28 | 1776. Car Fleet II (Leetcode Hard) | 36:51 | 589 | |
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| 2021-02-27 | 29. Divide Two Integers - Day 27/28 Leetcode February Challenge | 19:51 | 265 | |
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| 2021-02-26 | 946. Validate Stack Sequences - Day 26/28 Leetcode February Challenge | 16:09 | 159 | |
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| 2021-02-25 | 581. Shortest Unsorted Continuous Subarray - Day 25/28 Leetcode February Challenge | 18:00 | 188 | |
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| 2021-02-24 | 856. Score of Parentheses - Day 24/28 Leetcode February Challenge | 8:42 | 261 | |
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| 2021-02-23 | 240. Search a 2D Matrix II - Day 23/28 Leetcode February Challenge | 25:32 | 185 | |
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| 2021-02-22 | 524. Longest Word in Dictionary through Deleting - Day 22/28 Leetcode February Challenge | 19:38 | 264 | |
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| 2021-02-21 | 991. Broken Calculator - Day 21/28 Leetcode February Challenge | 30:48 | 330 | |
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| 2021-02-21 | Always next week! Leetcode Weekly Contest 229 (Bah) with commentary | 59:20 | 150 | |
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| 2021-02-21 | 1770. Maximum Score from Performing Multiplication Operations (Leetcode Medium) | 42:00 | 791 | |
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| 2021-02-21 | 1768. Merge Strings Alternately (Leetcode Easy) | 3:09 | 412 | |
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| 2021-02-21 | 1769. Minimum Number of Operations to Move All Balls to Each Box (Leetcode Medium) | 8:00 | 911 | |
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| 2021-02-21 | 1771. Maximize Palindrome Length From Subsequences (Leetcode Hard) | 23:06 | 244 | |
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| 2021-02-20 | Outsmarted myself! Leetcode Biweekly Contest 46 (60th) with commentary | 40:36 | 132 | |
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| 2021-02-20 | 1766. Tree of Coprimes (Leetcode Hard) | 32:57 | 221 | |
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| 2021-02-20 | 1763. Longest Nice Substring (Leetcode Easy) | 7:48 | 2,915 | |
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| 2021-02-20 | 1764. Form Array by Concatenating Subarrays of Another Array (Leetcode Medium) | 10:32 | 130 | |
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| 2021-02-20 | 1765. Map of Highest Peak (Leetcode Medium) | 11:00 | 300 | |
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| 2021-02-20 | 13. Roman to Integer - Day 20/28 Leetcode February Challenge | 7:13 | 101 | |
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| 2021-02-19 | 1249. Minimum Remove to Make Valid Parentheses - Day 19/28 Leetcode February Challenge | 12:29 | 154 | |
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| 2021-02-18 | 413. Arithmetic Slices - Day 18/28 Leetcode February Challenge | 9:31 | 251 | |
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| 2021-02-17 | 11. Container With Most Water - Day 17/28 Leetcode February Challenge | 26:18 | 224 | |
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| 2021-02-16 | 784. Letter Case Permutation - Day 16/28 Leetcode February Challenge | 11:12 | 155 | |
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| 2021-02-15 | 1337. The K Weakest Rows in a Matrix - Day 15/28 Leetcode February Challenge | 20:40 | 176 | |
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| 2021-02-14 | 785. Is Graph Bipartite? - Day 14/28 Leetcode February Challenge | 15:10 | 252 | |
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| 2021-02-14 | Python too slow! Leetcode Weekly Contest 228 (129th) with commentary | 25:57 | 172 | |
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| 2021-02-14 | 1761. Minimum Degree of a Connected Trio in a Graph (Leetcode Hard) | 16:38 | 667 | |
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| 2021-02-14 | 1758. Minimum Changes To Make Alternating Binary String (Leetcode Easy) | 4:02 | 525 | |
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| 2021-02-14 | 1760. Minimum Limit of Balls in a Bag (Leetcode Medium) | 16:22 | 546 | |
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| 2021-02-14 | 1759. Count Number of Homogenous Substrings (Leetcode Medium) | 6:56 | 329 | |
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| 2021-02-13 | 1091. Shortest Path in Binary Matrix - Day 13/28 Leetcode February Challenge | 12:26 | 393 | |
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| 2021-02-12 | 1342. Number of Steps to Reduce a Number to Zero - Day 12/28 Leetcode February Challenge | 6:25 | 123 | |
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| 2021-02-11 | 242. Valid Anagram - Day 11/28 Leetcode February Challenge | 7:02 | 118 | |
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| 2021-02-10 | 138. Copy List with Random Pointer - Day 10/28 Leetcode February Challenge | 18:20 | 145 | |
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| 2021-02-09 | 538. Convert BST to Greater Tree - Day 9/28 Leetcode February Challenge | 14:36 | 210 | |
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| 2021-02-08 | 284. Peeking Iterator - Day 8/28 Leetcode February Challenge | 7:44 | 317 | |
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| 2021-02-07 | 821. Shortest Distance to a Character - Day 7/28 Leetcode February Challenge | 7:38 | 151 | |
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| 2021-02-07 | Q4 in three languages! Leetcode Weekly Contest 227 (90th) with commentary | 52:24 | 77 | |
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| 2021-02-07 | 1755. Closest Subsequence Sum (Leetcode Hard) | 40:08 | 680 | |
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| 2021-02-07 | 1753. Maximum Score From Removing Stones (Leetcode Medium) | 7:55 | 833 | |
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| 2021-02-07 | 1754. Largest Merge Of Two Strings (Leetcode Medium) | 14:39 | 244 | |
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| 2021-02-07 | 1752. Check if Array Is Sorted and Rotated (Leetcode Easy) | 3:03 | 792 | |
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| 2021-02-06 | 1751. Maximum Number of Events That Can Be Attended II (Leetcode Hard) | 35:50 | 371 | |
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| 2021-02-06 | 1749. Maximum Absolute Sum of Any Subarray (Leetcode Medium) | 7:12 | 758 | |
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| 2021-02-06 | 1750. Minimum Length of String After Deleting Similar Ends (Leetcode Medium) | 9:52 | 95 | |
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| 2021-02-06 | 1748. Sum of Unique Elements (Leetcode Easy) | 3:14 | 678 | |
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| 2021-02-06 | Top 35! Leetcode Biweekly Contest 45 (35th) with commentary | 27:58 | 136 | |
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