| 2021-06-30 | 236. Lowest Common Ancestor of a Binary Tree - Day 30/30 Leetcode June Challenge | 13:02 | 152 | |
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| 2021-06-29 | 1004. Max Consecutive Ones III - Day 29/30 Leetcode June Challenge | 12:59 | 204 | |
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| 2021-06-28 | 1047. Remove All Adjacent Duplicates In String - Day 28/30 Leetcode June Challenge | 7:11 | 162 | |
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| 2021-06-27 | 135. Candy - Day 27/30 Leetcode June Challenge | 11:37 | 316 | |
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| 2021-06-27 | Forgot to mod again! Leetcode Weekly Contest 247 (108th) with commentary | 59:12 | 257 | |
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| 2021-06-27 | 1916. Count Ways to Build Rooms in an Ant Colony (Leetcode Hard) | 39:08 | 599 | |
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| 2021-06-27 | 1915. Number of Wonderful Substrings (Leetcode Medium) | 25:29 | 1,320 | |
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| 2021-06-27 | 1914. Cyclically Rotating a Grid (Leetcode Medium) | 20:41 | 512 | |
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| 2021-06-27 | 1913. Maximum Product Difference Between Two Pairs (Leetcode Easy) | 3:55 | 487 | |
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| 2021-06-26 | 1911. Maximum Alternating Subsequence Sum (Leetcode Medium) | 10:14 | 496 | |
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| 2021-06-26 | 1910. Remove All Occurrences of a Substring (Leetcode Medium) | 5:54 | 653 | |
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| 2021-06-26 | 1912. Design Movie Rental System (Leetcode Hard) | 14:11 | 216 | |
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| 2021-06-26 | Top 3 for once! Leetcode Biweekly Contest 55 (3rd) with commentary | 21:27 | 277 | |
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| 2021-06-26 | 1909. Remove One Element to Make the Array Strictly Increasing (Leetcode Easy) | 4:59 | 2,562 | |
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| 2021-06-26 | 315. Count of Smaller Numbers After Self - Day 26/30 Leetcode June Challenge | 12:32 | 364 | |
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| 2021-06-25 | 684. Redundant Connection - Day 25/30 Leetcode June Challenge | 12:16 | 233 | |
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| 2021-06-24 | 576. Out of Boundary Paths - Day 24/30 Leetcode June Challenge | 25:05 | 321 | |
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| 2021-06-23 | 92. Reverse Linked List II - Day 23/30 Leetcode June Challenge | 16:26 | 139 | |
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| 2021-06-22 | 792. Number of Matching Subsequences - Day 22/30 Leetcode June Challenge | 10:10 | 370 | |
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| 2021-06-21 | 118. Pascal's Triangle - Day 21/30 Leetcode June Challenge | 8:54 | 113 | |
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| 2021-06-20 | 778. Swim in Rising Water - Day 20/30 Leetcode June Challenge | 13:34 | 179 | |
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| 2021-06-20 | 1905. Count Sub Islands (Leetcode Medium) | 9:52 | 362 | |
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| 2021-06-20 | 1903. Largest Odd Number in String (Leetcode Easy) | 4:51 | 431 | |
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| 2021-06-20 | 1904. The Number of Full Rounds You Have Played (Leetcode Medium) | 4:38 | 533 | |
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| 2021-06-20 | 1906. Minimum Absolute Difference Queries (Leetcode Medium) | 7:46 | 546 | |
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| 2021-06-19 | 629. K Inverse Pairs Array - Day 19/30 Leetcode June Challenge | 1:39:53 | 381 | |
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| 2021-06-18 | 307. Range Sum Query - Mutable - Day 18/30 Leetcode June Challenge | 24:04 | 304 | |
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| 2021-06-17 | 795. Number of Subarrays with Bounded Maximum - Day 17/30 Leetcode June Challenge | 26:58 | 258 | |
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| 2021-06-16 | 22. Generate Parentheses - Day 16/30 Leetcode June Challenge | 18:39 | 182 | |
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| 2021-06-15 | 473. Matchsticks to Square - Day 15/30 Leetcode June Challenge | 58:30 | 326 | |
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| 2021-06-14 | 1710. Maximum Units on a Truck - Day 14/30 Leetcode June Challenge | 8:09 | 179 | |
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| 2021-06-13 | 336. Palindrome Pairs - Day 13/30 Leetcode June Challenge | 23:20 | 275 | |
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| 2021-06-13 | 1900. The Earliest and Latest Rounds Where Players Compete (Leetcode Hard) | 1:05:10 | 385 | |
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| 2021-06-13 | C unsharp! Leetcode Weekly Contest 245 (Sigh) with commentary | 1:18:58 | 120 | |
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| 2021-06-13 | 1899. Merge Triplets to Form Target Triplet (Leetcode Medium) | 11:58 | 155 | |
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| 2021-06-13 | 1898. Maximum Number of Removable Characters (Leetcode Medium) | 15:00 | 291 | |
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| 2021-06-13 | 1897. Redistribute Characters to Make All Strings Equal (Leetcode Easy) | 4:00 | 442 | |
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| 2021-06-12 | Anything but magical! Leetcode Biweekly Contest 54 (184th) with commentary | 1:25:02 | 130 | |
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| 2021-06-12 | 1895. Largest Magic Square (Leetcode Medium) | 1:02:26 | 443 | |
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| 2021-06-12 | 1896. Minimum Cost to Change the Final Value of Expression (Leetcode Hard) | 38:19 | 313 | |
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| 2021-06-12 | 1894. Find the Student that Will Replace the Chalk (Leetcode Medium) | 6:02 | 461 | |
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| 2021-06-12 | 1893. Check if All the Integers in a Range Are Covered (Leetcode Easy) | 2:52 | 589 | |
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| 2021-06-12 | 871. Minimum Number of Refueling Stops - Day 12/30 Leetcode June Challenge | 58:06 | 255 | |
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| 2021-06-11 | 1690. Stone Game VII - Day 11/30 Leetcode June Challenge | 20:38 | 233 | |
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| 2021-06-10 | 729. My Calendar I - Day 10/30 Leetcode June Challenge | 32:18 | 203 | |
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| 2021-06-09 | 1696. Jump Game VI - Day 9/30 Leetcode June Challenge | 15:51 | 275 | |
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| 2021-06-08 | 105. Construct Binary Tree from Preorder and Inorder Traversal - Day 8/30 Leetcode June Challenge | 17:28 | 208 | |
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| 2021-06-07 | 746. Min Cost Climbing Stairs - Day 7/30 Leetcode June Challenge | 11:48 | 160 | |
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| 2021-06-06 | 128. Longest Consecutive Sequence - Day 6/30 Leetcode June Challenge | 13:26 | 185 | |
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| 2021-06-06 | Algebra lessons! Leetcode Weekly Contest 244 (Meh) with commentary | 53:50 | 249 | |
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| 2021-06-06 | 1889. Minimum Space Wasted From Packaging (Leetcode Hard) | 1:00:07 | 306 | |
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| 2021-06-06 | 1886. Determine Whether Matrix Can Be Obtained By Rotation (Leetcode Easy) | 7:51 | 1,084 | |
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| 2021-06-06 | 1888. Minimum Number of Flips to Make the Binary String Alternating (Leetcode Medium) | 15:20 | 598 | |
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| 2021-06-06 | 1887. Reduction Operations to Make the Array Elements Equal (Leetcode Medium) | 5:49 | 240 | |
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| 2021-06-05 | 1383. Maximum Performance of a Team - Day 5/30 Leetcode June Challenge | 14:55 | 503 | |
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| 2021-06-04 | 752. Open the Lock - Day 4/30 Leetcode June Challenge | 20:46 | 243 | |
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| 2021-06-03 | 1465. Maximum Area of a Piece of Cake After Horizontal and Vert.. - Day 3/30 Leetcode June Challenge | 9:25 | 152 | |
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| 2021-06-02 | 97. Interleaving String - Day 2/30 Leetcode June Challenge | 18:14 | 443 | |
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| 2021-06-01 | 695. Max Area of Island - Day 1/30 Leetcode June Challenge | 10:47 | 227 | |
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| 2021-05-31 | 1268. Search Suggestions System - Day 31/31 Leetcode May Challenge | 16:58 | 176 | |
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| 2021-05-30 | 164. Maximum Gap - Day 30/31 Leetcode May Challenge | 21:52 | 366 | |
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| 2021-05-30 | 1883. Minimum Skips to Arrive at Meeting On Time (Leetcode Hard) | 1:41:56 | 402 | |
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| 2021-05-30 | 1882. Process Tasks Using Servers (Leetcode Medium) | 44:15 | 412 | |
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| 2021-05-30 | 1881. Maximum Value after Insertion (Leetcode Medium) | 8:37 | 448 | |
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| 2021-05-30 | 1880. Check if Word Equals Summation of Two Words (Leetcode Easy) | 3:12 | 502 | |
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| 2021-05-29 | No precision! Leetcode Weekly Contest 242 (protest) with commentary | 1:05:27 | 136 | |
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| 2021-05-29 | 1878. Get Biggest Three Rhombus Sums in a Grid (Leetcode Medium) | 1:20:12 | 752 | |
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| 2021-05-29 | Diamond hands! Leetcode Biweekly Contest 53 (Yuck) with commentary | 1:15:12 | 174 | |
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| 2021-05-29 | 1877. Minimize Maximum Pair Sum in Array (Leetcode Medium) | 4:33 | 872 | |
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| 2021-05-29 | 1876. Substrings of Size Three with Distinct Characters (Leetcode Easy) | 2:16 | 905 | |
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| 2021-05-29 | 1879. Minimum XOR Sum of Two Arrays (Leetcode Hard) | 12:00 | 586 | |
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| 2021-05-29 | 52. N-Queens II - Day 29/31 Leetcode May Challenge | 6:25 | 117 | |
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| 2021-05-28 | 1695. Maximum Erasure Value - Day 28/31 Leetcode May Challenge | 7:55 | 206 | |
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| 2021-05-27 | 318. Maximum Product of Word Lengths - Day 27/31 Leetcode May Challenge | 17:40 | 242 | |
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| 2021-05-26 | 1689. Partitioning Into Minimum Number Of Deci-Binary Numbers - Day 26/31 Leetcode May Challenge | 8:04 | 120 | |
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| 2021-05-25 | 150. Evaluate Reverse Polish Notation - Day 25/31 Leetcode May Challenge | 12:56 | 122 | |
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| 2021-05-24 | 709. To Lower Case - Day 24/31 Leetcode May Challenge | 1:40 | 143 | |
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| 2021-05-23 | 943. Find the Shortest Superstring - Day 23/31 Leetcode May Challenge | 1:01:30 | 539 | |
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| 2021-05-23 | 1870. Minimum Speed to Arrive on Time (Leetcode Medium) | 26:31 | 464 | |
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| 2021-05-23 | 1871. Jump Game VII (Leetcode Medium) | 14:21 | 470 | |
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| 2021-05-23 | 1869. Longer Contiguous Segments of Ones than Zeros (Leetcode Easy) | 2:51 | 186 | |
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| 2021-05-23 | 1872. Stone Game VIII (Leetcode Hard) | 36:38 | 584 | |
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| 2021-05-22 | 51. N-Queens - Day 22/31 Leetcode May Challenge | 12:28 | 175 | |
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| 2021-05-21 | 890. Find and Replace Pattern - Day 21/31 Leetcode May Challenge | 9:15 | 154 | |
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| 2021-05-20 | 102. Binary Tree Level Order Traversal - Day 20/31 Leetcode May Challenge | 6:09 | 90 | |
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| 2021-05-19 | 462. Minimum Moves to Equal Array Elements II - Day 19/31 Leetcode May Challenge | 26:39 | 168 | |
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| 2021-05-18 | 609. Find Duplicate File in System - Day 18/31 Leetcode May Challenge | 11:10 | 118 | |
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| 2021-05-17 | 1048. Longest String Chain - Day 17/31 Leetcode May Challenge | 18:17 | 201 | |
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| 2021-05-16 | 968. Binary Tree Cameras - Day 16/31 Leetcode May Challenge | 24:43 | 257 | |
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| 2021-05-16 | 1864. Minimum Number of Swaps to Make the Binary String Alternating (Leetcode Medium) | 12:14 | 1,344 | |
|
| 2021-05-16 | Leetcode hates python again! Leetcode Weekly Contest 241 (44th) with commentary | 26:29 | 207 | |
|
| 2021-05-16 | 1865. Finding Pairs With a Certain Sum (Leetcode Medium) | 9:47 | 508 | |
|
| 2021-05-16 | 1863. Sum of All Subset XOR Totals (Leetcode Easy) | 3:30 | 3,316 | |
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| 2021-05-16 | 1866. Number of Ways to Rearrange Sticks With K Sticks Visible (Leetcode Hard) | 21:53 | 360 | |
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| 2021-05-15 | 1859. Sorting the Sentence (Leetcode Easy) | 2:57 | 2,272 | |
|
| 2021-05-15 | What the sieve! Leetcode Biweekly Contest 52 (47th) with commentary | 41:38 | 116 | |
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| 2021-05-15 | 1862. Sum of Floored Pairs (Leetcode Hard) | 36:16 | 405 | |
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| 2021-05-15 | 1860. Incremental Memory Leak (Leetcode Easy) | 4:57 | 176 | |
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| 2021-05-15 | 1861. Rotating the Box (Leetcode Medium) | 9:01 | 908 | |
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| 2021-05-15 | 65. Valid Number - Day 15/31 Leetcode May Challenge | 27:02 | 154 | |
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