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1155. Number of Dice Rolls With Target SumMedium
LeetCodeDynamic Programming
1156. Swap For Longest Repeated Character SubstringMedium
LeetCodeHash TableStringSliding Window
1158. Market Analysis IMedium
LeetCodeDatabase
116. Populating Next Right Pointers in Each NodeMedium
LeetCodeLinked ListTreeDepth-First SearchBreadth-First Search
1161. Maximum Level Sum of a Binary TreeMedium
LeetCodeTreeDepth-First SearchBreadth-First SearchBinary Tree
1162. As Far from Land as PossibleMedium
LeetCodeArrayDynamic ProgrammingBreadth-First SearchMatrix
1164. Product Price at a Given DateMedium
LeetCodeDatabase
1166. Design File SystemMedium
LeetCodeHash TableStringDesignTrie
1167. Minimum Cost to Connect SticksMedium
LeetCodeArrayGreedyHeap (Priority Queue)
1169. Invalid TransactionsMedium
LeetCodeArrayHash TableStringSorting
117. Populating Next Right Pointers in Each Node IIMedium
LeetCodeLinked ListTreeDepth-First SearchBreadth-First Search
1170. Compare Strings by Frequency of the Smallest CharacterMedium
LeetCodeArrayHash TableStringBinary Search
1171. Remove Zero Sum Consecutive Nodes from Linked ListMedium
LeetCodeHash TableLinked List
1174. Immediate Food Delivery IIMedium
LeetCodeDatabase
1177. Can Make Palindrome from SubstringMedium
LeetCodeArrayHash TableStringBit Manipulation
1181. Before and After PuzzleMedium
LeetCodeArrayHash TableStringSorting
1182. Shortest Distance to Target ColorMedium
LeetCodeArrayBinary SearchDynamic Programming
1186. Maximum Subarray Sum with One DeletionMedium
LeetCodeArrayDynamic Programming
1188. Design Bounded Blocking QueueMedium
LeetCodeConcurrency
1190. Reverse Substrings Between Each Pair of ParenthesesMedium
LeetCodeStringStack
1191. K-Concatenation Maximum SumMedium
LeetCodeArrayDynamic Programming
1193. Monthly Transactions IMedium
LeetCodeDatabase
1195. Fizz Buzz MultithreadedMedium
LeetCodeConcurrency
1197. Minimum Knight MovesMedium
LeetCodeBreadth-First Search
1198. Find Smallest Common Element in All RowsMedium
LeetCodeArrayHash TableBinary SearchMatrix
12. Integer to RomanMedium
LeetCodeHash TableMathString
120. TriangleMedium
LeetCodeArrayDynamic Programming
1201. Ugly Number IIIMedium
LeetCodeMathBinary SearchCombinatoricsNumber Theory
1202. Smallest String With SwapsMedium
LeetCodeArrayHash TableStringDepth-First Search
1204. Last Person to Fit in the BusMedium
LeetCodeDatabase
1205. Monthly Transactions IIMedium
LeetCodeDatabase
1208. Get Equal Substrings Within BudgetMedium
LeetCodeStringBinary SearchSliding WindowPrefix Sum
1209. Remove All Adjacent Duplicates in String IIMedium
LeetCodeStringStack
1212. Team Scores in Football TournamentMedium
LeetCodeDatabase
1214. Two Sum BSTsMedium
LeetCodeTwo PointersBinary SearchStackTree
1215. Stepping NumbersMedium
LeetCodeMathBacktrackingBreadth-First Search
1218. Longest Arithmetic Subsequence of Given DifferenceMedium
LeetCodeArrayHash TableDynamic Programming
1219. Path with Maximum GoldMedium
LeetCodeArrayBacktrackingMatrix
122. Best Time to Buy and Sell Stock IIMedium
LeetCodeArrayDynamic ProgrammingGreedy
1222. Queens That Can Attack the KingMedium
LeetCodeArrayMatrixSimulation
1226. The Dining PhilosophersMedium
LeetCodeConcurrency
1227. Airplane Seat Assignment ProbabilityMedium
LeetCodeMathDynamic ProgrammingBrainteaserProbability and Statistics
1229. Meeting SchedulerMedium
LeetCodeArrayTwo PointersSorting
1230. Toss Strange CoinsMedium
LeetCodeArrayMathDynamic ProgrammingProbability and Statistics
1233. Remove Sub-Folders from the FilesystemMedium
LeetCodeArrayStringDepth-First SearchTrie
1234. Replace the Substring for Balanced StringMedium
LeetCodeStringSliding Window
1236. Web CrawlerMedium
LeetCodeStringDepth-First SearchBreadth-First SearchInteractive
1237. Find Positive Integer Solution for a Given EquationMedium
LeetCodeMathTwo PointersBinary SearchInteractive
1238. Circular Permutation in Binary RepresentationMedium
LeetCodeMathBacktrackingBit Manipulation
1239. Maximum Length of a Concatenated String with Unique CharactersMedium
LeetCodeArrayStringBacktrackingBit Manipulation
1242. Web Crawler MultithreadedMedium
LeetCodeDepth-First SearchBreadth-First SearchConcurrency
1244. Design A LeaderboardMedium
LeetCodeHash TableDesignSorting
1245. Tree DiameterMedium
LeetCodeTreeDepth-First SearchBreadth-First SearchGraph Theory
1247. Minimum Swaps to Make Strings EqualMedium
LeetCodeMathStringGreedy
1248. Count Number of Nice SubarraysMedium
LeetCodeArrayHash TableMathSliding Window
1249. Minimum Remove to Make Valid ParenthesesMedium
LeetCodeStringStack
1253. Reconstruct a 2-Row Binary MatrixMedium
LeetCodeArrayGreedyMatrix
1254. Number of Closed IslandsMedium
LeetCodeArrayDepth-First SearchBreadth-First SearchUnion-Find
1256. Encode NumberMedium
LeetCodeMathStringBit Manipulation
1257. Smallest Common RegionMedium
LeetCodeArrayHash TableStringTree

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