| 2024-11-01 | 2490. Circular Sentence - Day 2/30 Leetcode November Challenge | 0:00 | 247 | |
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| 2024-10-31 | 3336. Find the Number of Subsequences With Equal GCD (Leetcode Hard) | 0:00 | 52 | |
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| 2024-10-31 | 3337. Total Characters in String After Transformations II (Leetcode Hard) | 0:00 | 149 | |
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| 2024-10-31 | 3335. Total Characters in String After Transformations I (Leetcode Medium) | 0:00 | 61 | |
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| 2024-10-31 | 3332. Maximum Points Tourist Can Earn (Leetcode Medium) | 0:00 | 118 | |
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| 2024-10-31 | 1957. Delete Characters to Make Fancy String - Day 1/30 Leetcode November Challenge | 0:00 | 190 | |
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| 2024-10-31 | 3330. Find the Original Typed String I (Leetcode Easy) | 0:00 | 58 | |
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| 2024-10-31 | TLE Q4! Leetcode Biweekly Contest 142 (virtual 75th) with commentary | 0:00 | 80 | |
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| 2024-10-31 | 3331. Find Subtree Sizes After Changes (Leetcode Medium) | 0:00 | 112 | |
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| 2024-10-31 | 3334. Find the Maximum Factor Score of Array (Leetcode Medium) | 0:00 | 82 | |
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| 2024-10-31 | 3333. Find the Original Typed String II (Leetcode Hard) | 0:00 | 138 | |
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| 2024-10-31 | 2955. Number of Same-End Substrings - Week 1/5 Leetcode November Challenge | 0:00 | 205 | |
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| 2024-10-31 | Sloppy mistakes! Leetcode Weekly Contest 421 (Virtual 95th) with commentary | 0:00 | 194 | |
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| 2024-10-30 | 2463. Minimum Total Distance Traveled - Day 31/31 Leetcode October Challenge | 0:00 | 1,046 | |
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| 2024-10-29 | 1671. Minimum Number of Removals to Make Mountain Array - Day 30/31 Leetcode October Challenge | 0:00 | 404 | |
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| 2024-10-28 | 2684. Maximum Number of Moves in a Grid - Day 29/31 Leetcode October Challenge | 0:00 | 446 | |
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| 2024-10-28 | 265. Paint House II - Week 5/5 Leetcode October Challenge | 0:00 | 248 | |
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| 2024-10-27 | 2501. Longest Square Streak in an Array - Day 28/31 Leetcode October Challenge | 0:00 | 658 | |
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| 2024-10-26 | 1277. Count Square Submatrices with All Ones - Day 27/31 Leetcode October Challenge | 0:00 | 489 | |
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| 2024-10-25 | 2458. Height of Binary Tree After Subtree Removal Queries - Day 26/31 Leetcode October Challenge | 0:00 | 949 | |
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| 2024-10-24 | 1233. Remove Sub-Folders from the Filesystem - Day 25/31 Leetcode October Challenge | 0:00 | 462 | |
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| 2024-10-23 | 951. Flip Equivalent Binary Trees - Day 24/31 Leetcode October Challenge | 0:00 | 372 | |
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| 2024-10-22 | 2641. Cousins in Binary Tree II - Day 23/31 Leetcode October Challenge | 0:00 | 354 | |
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| 2024-10-21 | 2664. The Knightâs Tour - Week 4/5 Leetcode October Challenge | 0:00 | 281 | |
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| 2024-10-20 | 3327. Check if DFS Strings Are Palindromes (Leetcode Hard) | 0:00 | 68 | |
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| 2024-10-20 | 3326. Minimum Division Operations to Make Array Non Decreasing (Leetcode Medium) | 0:00 | 36 | |
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| 2024-10-20 | 3325. Count Substrings With K-Frequency Characters I (Leetcode Medium) | 0:00 | 18 | |
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| 2024-10-20 | 3324. Find the Sequence of Strings Appeared on the Screen (Leetcode Medium) | 0:00 | 7 | |
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| 2024-10-20 | 420 mistakes! Leetcode Weekly Contest 420 (Virtual 182) with commentary | 0:00 | 48 | |
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| 2024-10-19 | 1545. Find Kth Bit in Nth Binary String - Day 19/31 Leetcode October Challenge | 0:00 | 312 | |
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| 2024-10-18 | 2044. Count Number of Maximum Bitwise-OR Subsets - Day 18/31 Leetcode October Challenge | 0:00 | 384 | |
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| 2024-10-17 | 670. Maximum Swap - Day 17/31 Leetcode October Challenge | 0:00 | 379 | |
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| 2024-10-16 | 1405. Longest Happy String - Day 16/31 Leetcode October Challenge | 0:00 | 451 | |
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| 2024-10-15 | 1429. First Unique Number - Week 3/5 Leetcode October Challenge | 0:00 | 245 | |
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| 2024-10-15 | 2938. Separate Black and White Balls - Day 15/31 Leetcode October Challenge | 0:00 | 262 | |
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| 2024-10-14 | 2530. Maximal Score After Applying K Operations - Day 14/31 Leetcode October Challenge | 0:00 | 232 | |
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| 2024-10-13 | 632. Smallest Range Covering Elements from K Lists - Day 13/31 Leetcode October Challenge | 0:00 | 363 | |
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| 2024-10-13 | Strategy fail! Leetcode Weekly Contest 419 (140th) with commentary | 0:00 | 453 | |
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| 2024-10-13 | 3319. K-th Largest Perfect Subtree Size in Binary Tree (Leetcode Medium) | 0:00 | 165 | |
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| 2024-10-12 | 3316. Find Maximum Removals From Source String (Leetcode Medium) | 0:00 | 436 | |
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| 2024-10-12 | 3315. Construct the Minimum Bitwise Array II (Leetcode Medium) | 0:00 | 315 | |
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| 2024-10-12 | Wake up for math! Leetcode Biweekly Contest 141 (argh) with commentary | 0:00 | 224 | |
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| 2024-10-12 | 3314. Construct the Minimum Bitwise Array I (Leetcode Easy) | 0:00 | 158 | |
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| 2024-10-12 | 3321. Find X-Sum of All K-Long Subarrays II (Leetcode Hard) | 0:00 | 408 | |
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| 2024-10-12 | 3318. Find X-Sum of All K-Long Subarrays I (Leetcode Easy) | 0:00 | 348 | |
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| 2024-10-12 | 3320. Count The Number of Winning Sequences (Leetcode Hard) | 0:00 | 286 | |
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| 2024-10-12 | 3317. Find the Number of Possible Ways for an Event (Leetcode Hard) | 0:00 | 321 | |
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| 2024-10-11 | 2406. Divide Intervals Into Minimum Number of Groups - Day 12/31 Leetcode October Challenge | 0:00 | 464 | |
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| 2024-10-10 | 1942. The Number of the Smallest Unoccupied Chair - Day 11/31 Leetcode October Challenge | 0:00 | 487 | |
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| 2024-10-09 | 962. Maximum Width Ramp - Day 10/31 Leetcode October Challenge | 0:00 | 709 | |
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| 2024-10-08 | 921. Minimum Add to Make Parentheses Valid - Day 9/31 Leetcode October Challenge | 0:00 | 277 | |
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| 2024-10-07 | 1963. Minimum Number of Swaps to Make the String Balanced - Day 8/31 Leetcode October Challenge | 0:00 | 427 | |
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| 2024-10-07 | 2838. Maximum Coins Heroes Can Collect - Week 2/5 Leetcode October Challenge | 0:00 | 189 | |
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| 2024-10-07 | 2696. Minimum String Length After Removing Substrings - Day 7/31 Leetcode October Challenge | 0:00 | 239 | |
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| 2024-10-06 | 1813. Sentence Similarity III - Day 6/31 Leetcode October Challenge | 0:00 | 269 | |
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| 2024-10-05 | Back and forth! Leetcode Weekly Contest 418 (68th) with commentary | 0:00 | 485 | |
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| 2024-10-05 | 3311. Construct 2D Grid Matching Graph Layout (Leetcode Hard) | 0:00 | 517 | |
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| 2024-10-05 | 3312. Sorted GCD Pair Queries (Leetcode Hard) | 0:00 | 524 | |
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| 2024-10-05 | 3310. Remove Methods From Project (Leetcode Medium) | 0:00 | 312 | |
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| 2024-10-05 | 3309. Maximum Possible Number by Binary Concatenation (Leetcode Easy) | 0:00 | 312 | |
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| 2024-10-04 | 567. Permutation in String - Day 5/31 Leetcode October Challenge | 0:00 | 393 | |
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| 2024-10-03 | 2491. Divide Players Into Teams of Equal Skill - Day 4/31 Leetcode October Challenge | 0:00 | 314 | |
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| 2024-10-02 | 249. Group Shifted Strings (Leetcode Medium) | 0:00 | 193 | |
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| 2024-10-02 | 1590. Make Sum Divisible by P - Day 2/31 Leetcode October Challenge | 0:00 | 742 | |
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| 2024-10-01 | 1133. Largest Unique Number - Week 1/5 Leetcode October Challenge | 0:00 | 66 | |
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| 2024-10-01 | 1497. Check If Array Pairs Are Divisible by k - Day 1/31 Leetcode October Challenge | 0:00 | 652 | |
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| 2024-10-01 | 1586. Binary Search Tree Iterator II (Leetcode Medium) | 0:00 | 200 | |
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| 2024-09-30 | 1381. Design a Stack With Increment Operation - Day 30/30 Leetcode September Challenge | 0:00 | 376 | |
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| 2024-09-29 | 432. All O`one Data Structure - Day 29/30 Leetcode September Challenge | 0:00 | 742 | |
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| 2024-09-29 | Larry can't slide! Leetcode Weekly Contest 417 (bomb) with commentary | 0:00 | 284 | |
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| 2024-09-29 | 1804. Implement Trie II (Prefix Tree) - Week 5/5 Leetcode September Challenge | 0:00 | 77 | |
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| 2024-09-29 | 3306. Count of Substrings Containing Every Vowel and K Consonants II (Leetcode Medium) | 0:00 | 264 | |
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| 2024-09-29 | 3305. Count of Substrings Containing Every Vowel and K Consonants I (Leetcode Medium) | 0:00 | 307 | |
|
| 2024-09-29 | 3307. Find the K-th Character in String Game II (Leetcode Hard) | 0:00 | 269 | |
|
| 2024-09-29 | 3304. Find the K-th Character in String Game I (Leetcode Easy) | 0:00 | 204 | |
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| 2024-09-28 | 3303. Find the Occurrence of First Almost Equal Substring (Leetcode Hard) | 0:00 | 326 | |
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| 2024-09-28 | Mistakes Galore! Leetcode Biweekly Contest 140 (57th) with commentary | 0:00 | 374 | |
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| 2024-09-28 | 3302. Find the Lexicographically Smallest Valid Sequence (Leetcode Medium) | 0:00 | 746 | |
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| 2024-09-28 | 3300. Minimum Element After Replacement With Digit Sum (Leetcode Easy) | 0:00 | 99 | |
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| 2024-09-28 | 3301. Maximize the Total Height of Unique Towers (Leetcode Medium) | 0:00 | 211 | |
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| 2024-09-27 | 641. Design Circular Deque - Day 28/30 Leetcode September Challenge | 0:00 | 448 | |
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| 2024-09-26 | 731. My Calendar II - Day 27/30 Leetcode September Challenge | 0:00 | 302 | |
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| 2024-09-25 | 729. My Calendar I - Day 26/30 Leetcode September Challenge | 0:00 | 325 | |
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| 2024-09-25 | 628. Maximum Product of Three Numbers (Leetcode Easy) | 0:00 | 264 | |
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| 2024-09-24 | 500. Keyboard Row (Leetcode Easy) | 0:00 | 23 | |
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| 2024-09-24 | 3043. Find the Length of the Longest Common Prefix - Day 24/30 Leetcode September Challenge | 0:00 | 66 | |
|
| 2024-09-24 | 2416. Sum of Prefix Scores of Strings - Day 25/30 Leetcode September Challenge | 0:00 | 274 | |
|
| 2024-09-23 | 2707. Extra Characters in a String - Day 23/30 Leetcode September Challenge | 0:00 | 394 | |
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| 2024-09-22 | 1858. Longest Word With All Prefixes - Week 4/5 Leetcode September Challenge | 0:00 | 126 | |
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| 2024-09-22 | 440. K-th Smallest in Lexicographical Order - Day 22/30 Leetcode September Challenge | 0:00 | 488 | |
|
| 2024-09-22 | Lazy Problemsetters! Leetcode Weekly Contest 416 (shrug) with commentary | 0:00 | 278 | |
|
| 2024-09-22 | 3296. Minimum Number of Seconds to Make Mountain Height Zero (Leetcode Medium) | 0:00 | 628 | |
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| 2024-09-22 | 3298. Count Substrings That Can Be Rearranged to Contain a String II (Leetcode Hard) | 0:00 | 178 | |
|
| 2024-09-22 | 3295. Report Spam Message (Leetcode Medium) | 0:00 | 147 | |
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| 2024-09-22 | 3297. Count Substrings That Can Be Rearranged to Contain a String I (Leetcode Medium) | 0:00 | 320 | |
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| 2024-09-21 | 386. Lexicographical Numbers - Day 21/30 Leetcode September Challenge | 0:00 | 399 | |
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| 2024-09-20 | 214. Shortest Palindrome - Day 20/30 Leetcode September Challenge | 0:00 | 510 | |
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| 2024-09-19 | 241. Different Ways to Add Parentheses - Day 19/30 Leetcode September Challenge | 0:00 | 651 | |
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| 2024-09-18 | 179. Largest Number - Day 18/30 Leetcode September Challenge | 0:00 | 813 | |
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| 2024-09-17 | 2263. Make Array Non-decreasing or Non-increasing (Leetcode Hard) | 0:00 | 291 | |
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