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Problems

1,212 problems

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Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 1,212 results

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TitleSolutionAcceptDifficultyTopics
3155. Maximum Number of Upgradable ServersVideoPremium
Solution43.8%Medium
Array, Binary Search +1· 1 company
3159. Find Occurrences of an Element in an ArrayVideo
Solution73.6%Medium
Array, Hash Table· 3 companies
3160. Find the Number of Distinct Colors Among the BallsVideo
Solution54.2%Medium
Array, Hash Table +1· 3 companies
3164. Find the Number of Good Pairs IIVideo
Solution26.6%Medium
Array, Hash Table· 2 companies
3169. Count Days Without MeetingsVideo
Solution48.1%Medium
Array, Sorting· 4 companies
3175. Find The First Player to win K Games in a RowVideo
Solution40.1%Medium
Array, Simulation· 1 company
3176. Find the Maximum Length of a Good Subsequence IVideo
Solution32.6%Medium
Array, Dynamic Programming +1· 1 company
3179. Find the N-th Value After K SecondsVideo
Solution54.0%Medium
Array, Combinatorics +3· 1 company
3180. Maximum Total Reward Using Operations IVideo
Solution30.8%Medium
Array, Dynamic Programming· 1 company
3183. The Number of Ways to Make the SumVideoPremium
Solution50.8%Medium
Array, Dynamic Programming
3185. Count Pairs That Form a Complete Day IIVideo
Solution43.7%Medium
Array, Counting +1· 1 company
3186. Maximum Total Damage With Spell CastingVideo
Solution45.1%Medium
Array, Binary Search +5· 7 companies
3189. Minimum Moves to Get a Peaceful BoardVideoPremium
Solution75.9%Medium
Array, Counting Sort +2
3191. Minimum Operations to Make Binary Array Elements Equal to One IVideo
Solution80.4%Medium
Array, Bit Manipulation +3· 6 companies
3192. Minimum Operations to Make Binary Array Elements Equal to One IIVideo
Solution65.1%Medium
Array, Dynamic Programming +1· 1 company
3195. Find the Minimum Area to Cover All Ones IVideo
Solution78.2%Medium
Array, Matrix· 5 companies
3196. Maximize Total Cost of Alternating SubarraysVideo
Solution29.6%Medium
Array, Dynamic Programming· 1 company
3201. Find the Maximum Length of Valid Subsequence IVideo
Solution54.9%Medium
Array, Dynamic Programming· 4 companies
3202. Find the Maximum Length of Valid Subsequence IIVideo
Solution57.2%Medium
Array, Dynamic Programming· 6 companies
3205. Maximum Array Hopping Score IVideoPremium
Solution77.0%Medium
Array, Dynamic Programming +3· 1 company
3207. Maximum Points After Enemy BattlesVideo
Solution33.2%Medium
Array, Greedy· 1 company
3208. Alternating Groups IIVideo
Solution59.9%Medium
Array, Sliding Window· 5 companies
3212. Count Submatrices With Equal Frequency of X and YVideo
Solution69.5%Medium
Array, Matrix +1· 2 companies
3215. Count Triplets with Even XOR Set Bits IIVideoPremium
Solution62.0%Medium
Array, Bit Manipulation· 1 company
3217. Delete Nodes From Linked List Present in ArrayVideo
Solution69.5%Medium
Array, Hash Table +1· 5 companies
3218. Minimum Cost for Cutting Cake IVideo
Solution58.5%Medium
Array, Dynamic Programming +2
3221. Maximum Array Hopping Score IIVideoPremium
Solution60.1%Medium
Array, Greedy +2· 1 company
3224. Minimum Array Changes to Make Differences EqualVideo
Solution24.9%Medium
Array, Hash Table +1· 2 companies
3233. Find the Count of Numbers Which Are Not SpecialVideo
Solution28.3%Medium
Array, Math +1· 1 company
3237. Alt and Tab SimulationVideoPremium
Solution54.3%Medium
Array, Hash Table +1
3239. Minimum Number of Flips to Make Binary Grid Palindromic IVideo
Solution74.3%Medium
Array, Matrix +1
3240. Minimum Number of Flips to Make Binary Grid Palindromic IIVideo
Solution25.5%Medium
Array, Matrix +1· 1 company
3243. Shortest Distance After Road Addition Queries IVideo
Solution61.9%Medium
Array, Breadth-First Search +1· 3 companies
3247. Number of Subsequences with Odd SumVideoPremium
Solution47.6%Medium
Array, Combinatorics +2
3254. Find the Power of K-Size Subarrays IVideo
Solution62.1%Medium
Array, Sliding Window· 3 companies
3255. Find the Power of K-Size Subarrays IIVideo
Solution32.1%Medium
Array, Sliding Window
3259. Maximum Energy Boost From Two DrinksVideo
Solution50.0%Medium
Array, Dynamic Programming· 1 company
3265. Count Almost Equal Pairs IVideo
Solution38.3%Medium
Array, Counting +3· 1 company
3275. K-th Nearest Obstacle QueriesVideo
Solution49.0%Medium
Array, Heap (Priority Queue)· 1 company
3281. Maximize Score of Numbers in RangesVideo
Solution35.6%Medium
Array, Binary Search +2· 2 companies
3282. Reach End of Array With Max ScoreVideo
Solution33.5%Medium
Array, Greedy· 2 companies
3284. Sum of Consecutive SubarraysVideoPremium
Solution43.4%Medium
Array, Dynamic Programming +1
3286. Find a Safe Walk Through a GridVideo
Solution55.4%Medium
Array, Breadth-First Search +4· 3 companies
3290. Maximum Multiplication ScoreVideo
Solution41.3%Medium
Array, Dynamic Programming
3291. Minimum Number of Valid Strings to Form Target IVideo
Solution22.4%Medium
Array, Binary Search +7· 1 company
3294. Convert Doubly Linked List to Array IIVideoPremium
Solution83.3%Medium
Array, Doubly-Linked List +1
3295. Report Spam MessageVideo
Solution48.6%Medium
Array, Hash Table +1· 2 companies
3296. Minimum Number of Seconds to Make Mountain Height ZeroVideo
Solution58.4%Medium
Array, Binary Search +3· 3 companies
3301. Maximize the Total Height of Unique TowersVideo
Solution37.9%Medium
Array, Greedy +1
3309. Maximum Possible Number by Binary ConcatenationVideo
Solution64.9%Medium
Array, Bit Manipulation +1· 2 companies
Showing 901–950 of 1,212