| 2021-08-19 | 1339. Maximum Product of Splitted Binary Tree - Day 19/31 Leetcode August Challenge | 11:42 | 273 | |
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| 2021-08-18 | 91. Decode Ways - Day 18/31 Leetcode August Challenge | 10:00 | 161 | |
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| 2021-08-17 | 1448. Count Good Nodes in Binary Tree - Day 17/31 Leetcode August Challenge | 7:32 | 143 | |
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| 2021-08-16 | 303. Range Sum Query - Immutable - Day 16/31 Leetcode August Challenge | 7:16 | 161 | |
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| 2021-08-15 | 76. Minimum Window Substring - Day 15/31 Leetcode August Challenge | 19:22 | 206 | |
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| 2021-08-15 | 1968. Array With Elements Not Equal to Average of Neighbors (Leetcode Medium) | 9:07 | 291 | |
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| 2021-08-15 | 1967. Number of Strings That Appear as Substrings in Word (Leetcode Easy) | 3:20 | 404 | |
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| 2021-08-15 | 1970. Last Day Where You Can Still Cross (Leetcode Hard) | 21:06 | 510 | |
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| 2021-08-15 | 1969. Minimum Non-Zero Product of the Array Elements (Leetcode Medium) | 17:27 | 781 | |
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| 2021-08-15 | A different way to mess up mod! Leetcode Weekly Contest 254 (39th) with commentary | 27:40 | 161 | |
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| 2021-08-14 | 546. Remove Boxes - Day 14/31 Leetcode August Challenge | 1:36:47 | 639 | |
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| 2021-08-13 | 73. Set Matrix Zeroes - Day 13/31 Leetcode August Challenge | 12:28 | 196 | |
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| 2021-08-12 | 49. Group Anagrams - Day 12/31 Leetcode August Challenge | 11:28 | 147 | |
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| 2021-08-11 | 954. Array of Doubled Pairs - Day 11/31 Leetcode August Challenge | 10:18 | 335 | |
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| 2021-08-10 | 926. Flip String to Monotone Increasing - Day 10/31 Leetcode August Challenge | 13:32 | 1,829 | |
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| 2021-08-09 | 415. Add Strings - Day 9/31 Leetcode August Challenge | 14:24 | 170 | |
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| 2021-08-08 | 1632. Rank Transform of a Matrix - Day 8/31 Leetcode August Challenge | 1:22:42 | 385 | |
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| 2021-08-08 | 1961. Check If String Is a Prefix of Array (Leetcode Easy) | 4:38 | 393 | |
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| 2021-08-08 | 1962. Remove Stones to Minimize the Total (Leetcode Medium) | 8:36 | 695 | |
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| 2021-08-08 | 1964. Find the Longest Valid Obstacle Course at Each Position (Leetcode Hard) | 17:40 | 513 | |
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| 2021-08-08 | Missed a stone! Leetcode Weekly Contest 253 (90th) with commentary | 20:49 | 143 | |
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| 2021-08-08 | 1963. Minimum Number of Swaps to Make the String Balanced (Leetcode Medium) | 10:02 | 1,188 | |
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| 2021-08-07 | 1960. Maximum Product of the Length of Two Palindromic Substrings (Leetcode Hard) | 40:45 | 382 | |
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| 2021-08-07 | Illegal Move! Leetcode Biweekly Contest 58 (virtual 23rd) with commentary | 49:35 | 151 | |
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| 2021-08-07 | 1957. Delete Characters to Make Fancy String (Leetcode Easy) | 3:59 | 342 | |
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| 2021-08-07 | 1958. Check if Move is Legal (Leetcode Medium) | 17:06 | 126 | |
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| 2021-08-07 | 1959. Minimum Total Space Wasted With K Resizing Operations (Leetcode Medium) | 24:38 | 544 | |
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| 2021-08-07 | 132. Palindrome Partitioning II - Day 7/31 Leetcode August Challenge | 19:48 | 383 | |
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| 2021-08-06 | 429. N-ary Tree Level Order Traversal - Day 6/31 Leetcode August Challenge | 7:11 | 174 | |
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| 2021-08-05 | 877. Stone Game - Day 5/31 Leetcode August Challenge | 11:43 | 584 | |
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| 2021-08-04 | 113. Path Sum II - Day 4/31 Leetcode August Challenge | 13:58 | 151 | |
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| 2021-08-03 | 90. Subsets II - Day 3/31 Leetcode August Challenge | 11:42 | 311 | |
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| 2021-08-02 | 1. Two Sum - Day 2/31 Leetcode August Challenge | 5:52 | 206 | |
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| 2021-08-01 | 827. Making A Large Island - Day 1/31 Leetcode August Challenge | 14:14 | 756 | |
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| 2021-08-01 | 1954. Minimum Garden Perimeter to Collect Enough Apples (Leetcode Medium) | 46:49 | 504 | |
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| 2021-08-01 | Sour Apples! Leetcode Weekly Contest 252 (virtual 146th) with commentary | 51:15 | 219 | |
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| 2021-08-01 | 1955. Count Number of Special Subsequences (Leetcode Hard) | 20:38 | 353 | |
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| 2021-08-01 | 1953. Maximum Number of Weeks for Which You Can (Leetcode Medium) | 12:12 | 1,960 | |
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| 2021-08-01 | 1952. Three Divisors (Leetcode Easy) | 4:12 | 437 | |
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| 2021-07-31 | 42. Trapping Rain Water - Day 31/31 Leetcode July Challenge | 26:08 | 193 | |
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| 2021-07-30 | 677. Map Sum Pairs - Day 30/31 Leetcode July Challenge | 14:25 | 186 | |
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| 2021-07-29 | 542. 01 Matrix - Day 29/31 Leetcode July Challenge | 12:04 | 560 | |
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| 2021-07-28 | 932. Beautiful Array - Day 28/31 Leetcode July Challenge | 17:45 | 660 | |
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| 2021-07-27 | 16. 3Sum Closest - Day 27/31 Leetcode July Challenge | 12:27 | 187 | |
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| 2021-07-26 | 108. Convert Sorted Array to Binary Search Tree - Day 26/31 Leetcode July Challenge | 9:00 | 116 | |
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| 2021-07-25 | Hash everything! Leetcode Weekly Contest 251 (virtual 126th) with commentary | 1:11:22 | 139 | |
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| 2021-07-25 | 1947. Maximum Compatibility Score Sum (Leetcode Medium) | 15:32 | 311 | |
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| 2021-07-25 | 1946. Largest Number After Mutating Substring (Leetcode Medium) | 13:32 | 126 | |
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| 2021-07-25 | 1945. Sum of Digits of String After Convert (Leetcode Easy) | 3:40 | 538 | |
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| 2021-07-25 | Always Sunny in LA! Leetcode Biweekly Contest 57 (45th) with commentary | 33:37 | 106 | |
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| 2021-07-25 | 1948. Delete Duplicate Folders in System (Leetcode Hard) | 1:06:22 | 336 | |
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| 2021-07-25 | 600. Non-negative Integers without Consecutive Ones - Day 25/31 Leetcode July Challenge | 20:25 | 705 | |
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| 2021-07-24 | 126. Word Ladder II - Day 24/31 Leetcode July Challenge | 4:04 | 271 | |
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| 2021-07-24 | 1943. Describe the Painting (Leetcode Medium) | 15:56 | 383 | |
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| 2021-07-24 | 1944. Number of Visible People in a Queue (Leetcode Hard) | 20:57 | 877 | |
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| 2021-07-24 | 1942. The Number of the Smallest Unoccupied Chair (Leetcode Medium) | 10:23 | 579 | |
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| 2021-07-24 | 1941. Check if All Characters Have Equal Number of Occurrences (Leetcode Easy) | 3:03 | 322 | |
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| 2021-07-23 | 814. Binary Tree Pruning - Day 23/31 Leetcode July Challenge | 7:15 | 143 | |
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| 2021-07-22 | 915. Partition Array into Disjoint Intervals - Day 22/31 Leetcode July Challenge | 7:19 | 295 | |
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| 2021-07-21 | 838. Push Dominoes - Day 21/31 Leetcode July Challenge | 11:52 | 551 | |
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| 2021-07-20 | 384. Shuffle an Array - Day 20/31 Leetcode July Challenge | 8:12 | 268 | |
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| 2021-07-19 | 235. Lowest Common Ancestor of a Binary Search Tree - Day 19/31 Leetcode July Challenge | 9:15 | 115 | |
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| 2021-07-19 | Trie harder! Leetcode Weekly Contest 250 (virtual 74th) with commentary | 1:05:46 | 103 | |
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| 2021-07-18 | 1938. Maximum Genetic Difference Query (Leetcode Hard) | 46:34 | 329 | |
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| 2021-07-18 | 1937. Maximum Number of Points with Cost (Leetcode Medium) | 29:52 | 1,309 | |
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| 2021-07-18 | 1936. Add Minimum Number of Rungs (Leetcode Medium) | 5:25 | 212 | |
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| 2021-07-18 | 1935. Maximum Number of Words You Can Type (Leetcode Easy) | 2:59 | 489 | |
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| 2021-07-18 | 25. Reverse Nodes in k-Group - Day 18/31 Leetcode July Challenge | 17:18 | 131 | |
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| 2021-07-17 | 927. Three Equal Parts - Day 17/31 Leetcode July Challenge | 32:25 | 405 | |
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| 2021-07-16 | 18. 4Sum - Day 16/31 Leetcode July Challenge | 16:43 | 203 | |
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| 2021-07-15 | 611. Valid Triangle Number - Day 15/31 Leetcode July Challenge | 22:49 | 270 | |
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| 2021-07-14 | 791. Custom Sort String - Day 14/31 Leetcode July Challenge | 14:28 | 284 | |
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| 2021-07-13 | 162. Find Peak Element - Day 13/31 Leetcode July Challenge | 17:06 | 210 | |
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| 2021-07-12 | 205. Isomorphic Strings - Day 12/31 Leetcode July Challenge | 5:57 | 155 | |
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| 2021-07-11 | 295. Find Median from Data Stream - Day 11/31 Leetcode July Challenge | 25:53 | 208 | |
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| 2021-07-11 | Two hard! Leetcode Weekly Contest 249 (48th) with commentary | 57:00 | 216 | |
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| 2021-07-11 | 1932. Merge BSTs to Create Single BST (Leetcode Hard) | 47:05 | 535 | |
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| 2021-07-11 | 1929. Concatenation of Array (Leetcode Easy) | 2:20 | 1,529 | |
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| 2021-07-11 | 1930. Unique Length-3 Palindromic Subsequences (Leetcode Medium) | 8:17 | 294 | |
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| 2021-07-11 | 1931. Painting a Grid With Three Different Colors (Leetcode Hard) | 21:32 | 1,235 | |
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| 2021-07-10 | 1928. Minimum Cost to Reach Destination in Time (Leetcode Hard) | 58:32 | 534 | |
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| 2021-07-10 | 1927. Sum Game (Leetcode Medium) | 44:36 | 264 | |
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| 2021-07-10 | Larry's got no game! Leetcode Biweekly Contest 56 (Sloppy) with commentary | 1:36:30 | 170 | |
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| 2021-07-10 | 1926. Nearest Exit from Entrance in Maze (Leetcode Medium) | 8:31 | 1,982 | |
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| 2021-07-10 | 1925. Count Square Sum Triples (Leetcode Easy) | 3:12 | 621 | |
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| 2021-07-10 | 639. Decode Ways II - Day 10/31 Leetcode July Challenge | 27:42 | 364 | |
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| 2021-07-09 | 300. Longest Increasing Subsequence - Day 9/31 Leetcode July Challenge | 20:12 | 256 | |
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| 2021-07-08 | 718. Maximum Length of Repeated Subarray - Day 8/31 Leetcode July Challenge | 13:58 | 479 | |
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| 2021-07-07 | 378. Kth Smallest Element in a Sorted Matrix - Day 7/31 Leetcode July Challenge | 38:00 | 266 | |
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| 2021-07-06 | 1338. Reduce Array Size to The Half - Day 6/31 Leetcode July Challenge | 9:38 | 235 | |
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| 2021-07-05 | 566. Reshape the Matrix - Day 5/31 Leetcode July Challenge | 7:21 | 334 | |
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| 2021-07-04 | 1220. Count Vowels Permutation - Day 4/31 Leetcode July Challenge | 20:03 | 413 | |
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| 2021-07-04 | Took a random path! Leetcode Weekly Contest 248 (158th) with commentary | 1:34:12 | 119 | |
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| 2021-07-04 | 1923. Longest Common Subpath (Leetcode Hard) | 1:25:40 | 690 | |
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| 2021-07-04 | 1921. Eliminate Maximum Number of Monsters (Leetcode Medium) | 14:40 | 160 | |
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| 2021-07-04 | 1920. Build Array from Permutation (Leetcode Easy) | 3:32 | 3,916 | |
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| 2021-07-04 | 1922. Count Good Numbers (Leetcode Medium) | 11:14 | 553 | |
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| 2021-07-03 | 363. Max Sum of Rectangle No Larger Than K - Day 3/31 Leetcode July Challenge | 27:07 | 948 | |
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| 2021-07-02 | 658. Find K Closest Elements - Day 2/31 Leetcode July Challenge | 17:57 | 518 | |
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| 2021-07-01 | 89. Gray Code - Day 1/31 Leetcode July Challenge | 12:01 | 1,338 | |
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