| 201. | 2322. Minimum Score After Removals on a Tree - Day 24/31 Leetcode July Challenge | 40 | |
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| 202. | 288. Unique Word Abbreviation (Leetcode Medium) | 5 | |
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| 203. | 3658. GCD of Odd and Even Sums (Leetcode Easy) | 5 | |
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| 204. | 3319. K-th Largest Perfect Subtree Size in Binary Tree (Leetcode Medium) | 5 | |
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| 205. | 3560. Find Minimum Log Transportation Cost (Leetcode Easy) | 8 | |
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| 206. | 3628. Maximum Number of Subsequences After One Inserting (Leetcode Medium) | 3 | |
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| 207. | 3136. Valid Word - Day 15/31 Leetcode July Challenge | 19 | |
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| 208. | 1090. Largest Values From Labels (Leetcode Medium) | 4 | |
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| 209. | 3321. Find X-Sum of All K-Long Subarrays II (Leetcode Hard) | 12 | |
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| 210. | 2942. Find Words Containing Character - Day 24/31 Leetcode May Challenge | 14 | |
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| 211. | 3624. Number of Integers With Popcount-Depth Equal to K II (Leetcode Hard) | 4 | |
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| 212. | 3605. Minimum Stability Factor of Array (Leetcode Hard) | 3 | |
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| 213. | Case analysis! Leetcode Weekly Contest 457 (Virtual) with commentary | 7 | |
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| 214. | 1963. Minimum Number of Swaps to Make the String Balanced - Day 8/31 Leetcode October Challenge | 21 | |
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| 215. | Pretty okay! Leetcode Biweekly Contest 154 (Virtual) with commentary | 6 | |
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| 216. | 3405. Count the Number of Arrays with K Matching Adjacent Elements - Day 17/30 Leetcode June Challen | 38 | |
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| 217. | 1298. Maximum Candies You Can Get from Boxes - Day 3/30 Leetcode June Challenge | 49 | |
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| 218. | 3577. Count the Number of Computer Unlocking Permutations (Leetcode Medium) | 6 | |
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| 219. | 3310. Remove Methods From Project (Leetcode Medium) | 4 | |
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| 220. | 3469. Find Minimum Cost to Remove Array Elements (Leetcode Medium) | 8 | |
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| 221. | 3534. Path Existence Queries in a Graph II (Leetcode Hard) | 3 | |
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| 222. | 3546. Equal Sum Grid Partition I (Leetcode Medium) | 1 | |
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| 223. | 790. Domino and Tromino Tiling - Day 5/31 Leetcode May Challenge | 25 | |
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| 224. | 1634. Add Two Polynomials Represented as Linked Lists - Week 1/5 Leetcode September Challenge | 4 | |
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| 225. | 3160. Find the Number of Distinct Colors Among the Balls - Day 7/28 Leetcode February Challenge | 29 | |
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| 226. | 3503. Longest Palindrome After Substring Concatenation I (Leetcode Medium) | 2 | |
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| 227. | Leetcode Biweekly Contest 157 (Virtual) with commentary | 8 | |
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| 228. | 3508. Implement Router (Leetcode Medium) | 2 | |
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| 229. | 2699. Modify Graph Edge Weights - Day 30/31 Leetcode August Challenge | 21 | |
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| 230. | 3434. Maximum Frequency After Subarray Operation (Leetcode Medium) | 17 | |
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| 231. | 2161. Partition Array According to Given Pivot - Day 3/31 Leetcode March Challenge | 16 | |
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| 232. | 2551. Put Marbles in Bags - Day 31/31 Leetcode March Challenge | 15 | |
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| 233. | 2852. Sum of Remoteness of All Cells - Week 4/5 Leetcode January Challenge | 3 | |
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| 234. | 40. Combination Sum II - Day 13/31 Leetcode August Challenge | 11 | |
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| 235. | 1408. String Matching in an Array - Day 7/31 Leetcode January Challenge | 16 | |
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| 236. | 1910. Remove All Occurrences of a Substring - Day 11/28 Leetcode February Challenge | 19 | |
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| 237. | 3489. Zero Array Transformation IV (Leetcode Medium) | 13 | |
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| 238. | 1422. Maximum Score After Splitting a String - Day 1/31 Leetcode January Challenge | 14 | |
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| 239. | 2787. Ways to Express an Integer as Sum of Powers - Day 12/31 Leetcode August Challenge | 25 | |
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| 240. | 3195. Find the Minimum Area to Cover All Ones I - Day 22/31 Leetcode August Challenge | 17 | |
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| 241. | 689. Maximum Sum of 3 Non-Overlapping Subarrays - Day 28/31 Leetcode December Challenge | 25 | |
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| 242. | 1852. Distinct Numbers in Each Subarray - Week 1/5 Leetcode February Challenge | 6 | |
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| 243. | 3464. Maximize the Distance Between Points on a Square (Leetcode Hard) | 9 | |
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| 244. | 1792. Maximum Average Pass Ratio - Day 15/31 Leetcode December Challenge | 22 | |
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| 245. | 683. K Empty Slots - Week 4/5 Leetcode June Challenge | 4 | |
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| 246. | 1751. Maximum Number of Events That Can Be Attended II - Day 8/31 Leetcode July Challenge | 30 | |
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| 247. | Advent of Code 2024 Day 1 | 27 | |
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| 248. | 916. Word Subsets - Day 10/31 Leetcode January Challenge | 19 | |
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| 249. | 684. Redundant Connection - Day 29/31 Leetcode January Challenge | 14 | |
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| 250. | Advent of Code 2024 Day 9 | 13 | |
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| 251. | 3530. Maximum Profit from Valid Topological Order in DAG (Leetcode Hard) | 5 | |
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| 252. | 2099. Find Subsequence of Length K With the Largest Sum - Day 28/30 Leetcode June Challenge | 12 | |
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| 253. | 2107. Number of Unique Flavors After Sharing K Candies - Week 3/5 Leetcode November Challenge | 4 | |
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| 254. | Easy is hard! Leetcode Biweekly Contest 146 (Virtual 49th) with commentary | 3 | |
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| 255. | 3425. Longest Special Path (Leetcode Hard) | 10 | |
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| 256. | 3335. Total Characters in String After Transformations I (Leetcode Medium) | 1 | |
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| 257. | 2874. Maximum Value of an Ordered Triplet II - Day 3/30 Leetcode April Challenge | 8 | |
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| 258. | Silly mistakes again! Leetcode Weekly Contest 455 (Virtual) with commentary | 6 | |
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| 259. | 1277. Count Square Submatrices with All Ones - Day 27/31 Leetcode October Challenge | 27 | |
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| 260. | Break it up! Leetcode Weekly Contest 429 (too many WAs) with commentary | 7 | |
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| 261. | 2116. Check if a Parentheses String Can Be Valid - Day 12/31 Leetcode January Challenge | 24 | |
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| 262. | 921. Minimum Add to Make Parentheses Valid - Day 9/31 Leetcode October Challenge | 16 | |
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| 263. | 2401. Longest Nice Subarray - Day 18/31 Leetcode March Challenge | 19 | |
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| 264. | 3589. Count Prime-Gap Balanced Subarrays (Leetcode Medium) | 9 | |
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| 265. | 2044. Count Number of Maximum Bitwise-OR Subsets - Day 18/31 Leetcode October Challenge | 25 | |
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| 266. | Advent of Code 2024 Day 13 | 7 | |
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| 267. | 3392. Count Subarrays of Length Three With a Condition (Leetcode Easy) | 3 | |
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| 268. | 2696. Minimum String Length After Removing Substrings - Day 7/31 Leetcode October Challenge | 18 | |
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| 269. | 3208. Alternating Groups II - Day 9/31 Leetcode March Challenge | 8 | |
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| 270. | 3445. Maximum Difference Between Even and Odd Frequency II - Day 11/30 Leetcode June Challenge | 40 | |
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| 271. | 2838. Maximum Coins Heroes Can Collect - Week 2/5 Leetcode October Challenge | 5 | |
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| 272. | 3152. Special Array II - Day 9/31 Leetcode December Challenge | 23 | |
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| 273. | 2559. Count Vowel Strings in Ranges - Day 2/31 Leetcode January Challenge | 16 | |
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| 274. | 241. Different Ways to Add Parentheses - Day 19/30 Leetcode September Challenge | 32 | |
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| 275. | 3410. Maximize Subarray Sum After Removing All Occurrences of One Element (Leetcode Hard) | 5 | |
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| 276. | 353. Design Snake Game - Week 1/5 Leetcode May Challenge | 7 | |
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| 277. | 214. Shortest Palindrome - Day 20/30 Leetcode September Challenge | 22 | |
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| 278. | 3372. Maximize the Number of Target Nodes After Connecting Trees I (Leetcode Medium) | 5 | |
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| 279. | 3399. Smallest Substring With Identical Characters II (Leetcode Hard) | 6 | |
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| 280. | 1310. XOR Queries of a Subarray - Day 13/30 Leetcode September Challenge | 11 | |
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| 281. | 2204. Distance to a Cycle in Undirected Graph - Week 5/5 Leetcode November Challenge | 6 | |
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| 282. | 3522. Calculate Score After Performing Instructions (Leetcode Medium) | 4 | |
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| 283. | 3281. Maximize Score of Numbers in Ranges (Leetcode Medium) | 26 | |
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| 284. | 1346. Check If N and Its Double Exist - Day 1/31 Leetcode December Challenge | 4 | |
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| 285. | 3388. Count Beautiful Splits in an Array (Leetcode Medium) | 13 | |
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| 286. | 664. Strange Printer - Day 21/31 Leetcode August Challenge | 37 | |
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| 287. | 731. My Calendar II - Day 27/30 Leetcode September Challenge | 14 | |
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| 288. | 3394. Check if Grid can be Cut into Sections - Day 25/31 Leetcode March Challenge | 8 | |
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| 289. | 1514. Path with Maximum Probability - Day 27/31 Leetcode August Challenge | 17 | |
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| 290. | Sloppy mistakes! Leetcode Weekly Contest 421 (Virtual 95th) with commentary | 8 | |
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| 291. | 3348. Smallest Divisible Digit Product II (Leetcode Hard) | 5 | |
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| 292. | 1277. Count Square Submatrices with All Ones - Day 20/31 Leetcode August Challenge | 28 | |
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| 293. | 3285. Find Indices of Stable Mountains (Leetcode Easy) | 4 | |
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| 294. | 266. Palindrome Permutation - Week 3/5 Leetcode March Challenge | 2 | |
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| 295. | Strategy fail! Leetcode Weekly Contest 419 (140th) with commentary | 7 | |
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| 296. | 567. Permutation in String - Day 5/31 Leetcode October Challenge | 22 | |
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| 297. | 808. Soup Servings - Day 8/31 Leetcode August Challenge | 30 | |
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| 298. | 2599. Make the Prefix Sum Non-negative - Week 2/4 Leetcode February Challenge | 3 | |
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| 299. | 3311. Construct 2D Grid Matching Graph Layout (Leetcode Hard) | 13 | |
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| 300. | 1180. Count Substrings with Only One Distinct Letter (Leetcode Easy) | 3 | |
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