| 2021-05-14 | 114. Flatten Binary Tree to Linked List - Day 14/31 Leetcode May Challenge | 16:21 | 129 | |
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| 2021-05-13 | 816. Ambiguous Coordinates - Day 13/31 Leetcode May Challenge | 23:11 | 221 | |
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| 2021-05-12 | 304. Range Sum Query 2D - Immutable - Day 12/31 Leetcode May Challenge | 19:30 | 172 | |
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| 2021-05-11 | 1423. Maximum Points You Can Obtain from Cards - Day 11/31 Leetcode May Challenge | 6:37 | 170 | |
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| 2021-05-10 | 204. Count Primes - Day 10/31 Leetcode May Challenge | 7:26 | 152 | |
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| 2021-05-09 | 1354. Construct Target Array With Multiple Sums - Day 9/31 Leetcode May Challenge | 54:04 | 276 | |
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| 2021-05-09 | Misread = hard problems! Leetcode Weekly Contest 240 (181st) with commentary | 1:01:42 | 213 | |
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| 2021-05-09 | 1855. Maximum Distance Between a Pair of Values (Leetcode Medium) | 18:10 | 608 | |
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| 2021-05-09 | 1857. Largest Color Value in a Directed Graph (Leetcode Hard) | 31:06 | 769 | |
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| 2021-05-09 | 1856. Maximum Subarray Min-Product (Leetcode Medium) | 26:35 | 720 | |
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| 2021-05-09 | 1854. Maximum Population Year (Leetcode Easy) | 3:00 | 1,851 | |
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| 2021-05-08 | 906. Super Palindromes - Day 8/31 Leetcode May Challenge | 18:52 | 357 | |
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| 2021-05-07 | 583. Delete Operation for Two Strings - Day 7/31 Leetcode May Challenge | 13:30 | 216 | |
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| 2021-05-06 | 109. Convert Sorted List to Binary Search Tree - Day 6/31 Leetcode May Challenge | 14:44 | 191 | |
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| 2021-05-05 | Jump Game II - Day 5/31 Leetcode May Challenge | 13:13 | 181 | |
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| 2021-05-04 | 665. Non-decreasing Array - Day 4/31 Leetcode May Challenge | 50:34 | 218 | |
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| 2021-05-03 | 1480. Running Sum of 1d Array - Day 3/31 Leetcode May Challenge | 5:06 | 104 | |
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| 2021-05-02 | 630. Course Schedule III - Day 2/31 Leetcode May Challenge | 41:23 | 261 | |
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| 2021-05-02 | 1849. Splitting a String Into Descending Consecutive Values (Leetcode Medium) | 8:30 | 512 | |
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| 2021-05-02 | 1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number (Leetcode Medium) | 17:44 | 409 | |
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| 2021-05-02 | Second top 10 of the day! Leetcode Weekly Contest 239 (7th) with commentary | 32:32 | 255 | |
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| 2021-05-02 | 1848. Minimum Distance to the Target Element (Leetcode Easy) | 2:20 | 264 | |
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| 2021-05-02 | 1851. Minimum Interval to Include Each Query (Leetcode Hard) | 18:35 | 288 | |
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| 2021-05-01 | 1846. Maximum Element After Decreasing and Rearranging (Leetcode Medium) | 5:25 | 288 | |
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| 2021-05-01 | 1845. Seat Reservation Manager (Leetcode Medium) | 4:00 | 156 | |
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| 2021-05-01 | 1844. Replace All Digits with Characters (Leetcode Easy) | 3:08 | 477 | |
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| 2021-05-01 | 1847. Closest Room (Leetcode Hard) | 15:26 | 475 | |
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| 2021-05-01 | Tied for 10th! Leetcode Biweekly Contest 51 (10th) with commentary | 17:15 | 127 | |
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| 2021-05-01 | 745. Prefix and Suffix Search - Day 1/31 Leetcode May Challenge | 14:38 | 565 | |
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| 2021-04-30 | 970. Powerful Integers - Day 30/30 Leetcode April Challenge | 9:25 | 163 | |
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| 2021-04-29 | 34. Find First and Last Position of Element in Sorted Array - Day 29/30 Leetcode April Challenge | 13:46 | 128 | |
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| 2021-04-28 | 63. Unique Paths II - Day 28/30 Leetcode April Challenge | 15:37 | 128 | |
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| 2021-04-27 | 326. Power of Three - Day 27/30 Leetcode April Challenge | 11:21 | 121 | |
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| 2021-04-26 | 1642. Furthest Building You Can Reach - Day 26/30 Leetcode April Challenge | 13:51 | 187 | |
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| 2021-04-25 | 48. Rotate Image - Day 25/30 Leetcode April Challenge | 31:11 | 126 | |
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| 2021-04-25 | That math was tough! Leetcode Weekly Contest 238 (138th) with commentary | 1:01:46 | 216 | |
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| 2021-04-25 | 1840. Maximum Building Height (Leetcode Hard) | 50:22 | 332 | |
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| 2021-04-25 | 1838. Frequency of the Most Frequent Element (Leetcode Medium) | 18:54 | 759 | |
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| 2021-04-25 | 1839. Longest Substring Of All Vowels in Order (Leetcode Medium) | 11:13 | 673 | |
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| 2021-04-25 | 1837. Sum of Digits in Base K (Leetcode Easy) | 2:45 | 404 | |
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| 2021-04-24 | 1192. Critical Connections in a Network - Day 24/30 Leetcode April Challenge | 20:32 | 338 | |
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| 2021-04-23 | 696. Count Binary Substrings - Day 23/30 Leetcode April Challenge | 16:57 | 350 | |
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| 2021-04-22 | 554. Brick Wall - Day 22/30 Leetcode April Challenge | 9:06 | 206 | |
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| 2021-04-21 | 120. Triangle (Linear Space) - Day 21/30 Leetcode April Challenge | 16:47 | 159 | |
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| 2021-04-20 | 589. N-ary Tree Preorder Traversal - Day 20/30 Leetcode April Challenge | 4:15 | 133 | |
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| 2021-04-19 | 377. Combination Sum IV - Day 19/30 Leetcode April Challenge | 14:17 | 231 | |
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| 2021-04-18 | 19. Remove Nth Node From End of List - Day 18/30 Leetcode April Challenge | 10:27 | 100 | |
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| 2021-04-18 | 1832. Check if the Sentence Is Pangram (Leetcode Easy) | 2:21 | 454 | |
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| 2021-04-18 | 1835. Find XOR Sum of All Pairs Bitwise AND (Leetcode Hard) | 15:43 | 303 | |
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| 2021-04-18 | 1834. Single-Threaded CPU (Leetcode Medium) | 19:57 | 843 | |
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| 2021-04-18 | Took too long to do the task! Leetcode Weekly Contest 237 (59th) with commentary | 23:44 | 153 | |
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| 2021-04-18 | 1833. Maximum Ice Cream Bars (Leetcode Medium) | 3:09 | 448 | |
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| 2021-04-17 | Count all the Q4s! Leetcode Biweekly Contest 50 (57th) with commentary | 59:49 | 131 | |
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| 2021-04-17 | 1830. Minimum Number of Operations to Make String Sorted (Leetcode Hard) | 59:49 | 346 | |
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| 2021-04-17 | 1827. Minimum Operations to Make the Array Increasing (Leetcode Easy) | 2:45 | 455 | |
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| 2021-04-17 | 1828. Queries on Number of Points Inside a Circle (Leetcode Medium) | 4:09 | 386 | |
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| 2021-04-17 | 1829. Maximum XOR for Each Query (Leetcode Medium) | 10:39 | 1,214 | |
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| 2021-04-17 | 1074. Number of Submatrices That Sum to Target - Day 17/30 Leetcode April Challenge | 41:42 | 333 | |
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| 2021-04-16 | 1209. Remove All Adjacent Duplicates in String II - Day 16/30 Leetcode April Challenge | 7:54 | 160 | |
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| 2021-04-15 | 509. Fibonacci Number - Day 15/30 Leetcode April Challenge | 2:19 | 109 | |
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| 2021-04-14 | 86. Partition List - Day 14/30 Leetcode April Challenge | 8:15 | 118 | |
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| 2021-04-13 | 341. Flatten Nested List Iterator - Day 13/30 Leetcode April Challenge | 40:23 | 218 | |
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| 2021-04-12 | 667. Beautiful Arrangement II - Day 12/30 Leetcode April Challenge | 18:11 | 367 | |
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| 2021-04-11 | 1302. Deepest Leaves Sum - Day 11/30 Leetcode April Challenge | 10:52 | 134 | |
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| 2021-04-11 | 1824. Minimum Sideway Jumps (Leetcode Medium) | 35:09 | 830 | |
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| 2021-04-11 | 1822. Sign of the Product of an Array (Leetcode Easy) | 2:27 | 546 | |
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| 2021-04-11 | 1823. Find the Winner of the Circular Game (Leetcode Medium) | 7:03 | 1,970 | |
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| 2021-04-11 | 1825. Finding MK Average (Leetcode Hard) | 35:25 | 460 | |
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| 2021-04-10 | 329. Longest Increasing Path in a Matrix - Day 10/30 Leetcode April Challenge | 12:22 | 208 | |
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| 2021-04-09 | 953. Verifying an Alien Dictionary - Day 9/30 Leetcode April Challenge | 8:32 | 147 | |
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| 2021-04-08 | 17. Letter Combinations of a Phone Number - Day 8/30 Leetcode April Challenge | 10:28 | 146 | |
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| 2021-04-07 | 1704. Determine if String Halves Are Alike - Day 7/30 Leetcode April Challenge | 7:27 | 127 | |
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| 2021-04-06 | 1551. Minimum Operations to Make Array Equal - Day 6/30 Leetcode April Challenge | 8:26 | 170 | |
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| 2021-04-05 | 775. Global and Local Inversions - Day 5/30 Leetcode April Challenge | 13:40 | 329 | |
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| 2021-04-04 | 622. Design Circular Queue - Day 4/30 Leetcode April Challenge | 8:28 | 197 | |
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| 2021-04-04 | Forgot to mod again, hard Q4! Leetcode Weekly Contest 235 (177th) with commentary | 1:08:52 | 158 | |
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| 2021-04-04 | 1819. Number of Different Subsequences GCDs (Leetcode Hard) | 1:09:12 | 260 | |
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| 2021-04-04 | 1818. Minimum Absolute Sum Difference (Leetcode Medium) | 8:22 | 1,535 | |
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| 2021-04-04 | 1817. Finding the Users Active Minutes (Leetcode Medium) | 4:36 | 547 | |
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| 2021-04-04 | 1816. Truncate Sentence (Leetcode Easy) | 2:41 | 338 | |
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| 2021-04-03 | Remember to mod! Leetcode Biweekly Contest 49 (48th) with commentary | 56:57 | 140 | |
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| 2021-04-03 | 1815. Maximum Number of Groups Getting Fresh Donuts (Leetcode Hard) | 53:36 | 356 | |
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| 2021-04-03 | 1814. Count Nice Pairs in an Array (Leetcode Medium) | 5:48 | 478 | |
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| 2021-04-03 | 1813. Sentence Similarity III (Leetcode Medium) | 9:08 | 482 | |
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| 2021-04-03 | 1812. Determine Color of a Chessboard Square (Leetcode Easy) | 2:46 | 914 | |
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| 2021-04-03 | 32. Longest Valid Parentheses - Day 3/30 Leetcode April Challenge | 12:28 | 303 | |
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| 2021-04-02 | 474. Ones and Zeroes - Day 2/30 Leetcode April Challenge | 25:07 | 1,058 | |
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| 2021-04-01 | 234. Palindrome Linked List - Day 1/30 Leetcode April Challenge | 7:42 | 219 | |
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| 2021-03-31 | 936. Stamping The Sequence - Day 31/31 Leetcode March Challenge | 2:00:52 | 389 | |
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| 2021-03-30 | 354. Russian Doll Envelopes - Day 30/31 Leetcode March Challenge | 36:11 | 233 | |
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| 2021-03-29 | 971. Flip Binary Tree To Match Preorder Traversal - Day 29/31 Leetcode March Challenge | 11:39 | 214 | |
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| 2021-03-28 | 423. Reconstruct Original Digits from English - Day 28/31 Leetcode March Challenge | 16:40 | 275 | |
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| 2021-03-28 | 1808. Maximize Number of Nice Divisors (Leetcode Hard) | 18:46 | 226 | |
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| 2021-03-28 | 1806. Minimum Number of Operations to Reinitialize a Permutation (Leetcode Medium) | 13:04 | 580 | |
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| 2021-03-28 | 1807. Evaluate the Bracket Pairs of a String (Leetcode Medium) | 6:26 | 122 | |
|
| 2021-03-28 | Lost control! Leetcode Weekly Contest 234 (190th) with commentary | 27:34 | 169 | |
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| 2021-03-28 | 1805. Number of Different Integers in a String (Leetcode Easy) | 6:23 | 597 | |
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| 2021-03-27 | 647. Palindromic Substrings - Day 27/31 Leetcode March Challenge | 10:31 | 191 | |
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| 2021-03-26 | 916. Word Subsets - Day 26/31 Leetcode March Challenge | 16:44 | 219 | |
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| 2021-03-25 | 417. Pacific Atlantic Water Flow - Day 25/31 Leetcode March Challenge | 15:52 | 267 | |
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