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464 problems

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Array194Database104Hash Table83String71Depth-First Search57Dynamic Programming49Tree48Math45Sorting43Breadth-First Search40Greedy40Binary Tree38Binary Search31Two Pointers29Matrix28All topics

Medium · Premium · 464 results

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TitleSolutionAcceptDifficultyTopics
2142. The Number of Passengers in Each Bus IVideoPremium
Solution49.3%Medium
Database
2152. Minimum Number of Lines to Cover PointsVideoPremium
Solution42.9%Medium
Array, Backtracking +6· 1 company
2159. Order Two Columns IndependentlyVideoPremium
Solution62.0%Medium
Database· 1 company
2168. Unique Substrings With Equal Digit FrequencyVideoPremium
Solution64.6%Medium
Counting, Hash Function +3· 1 company
2174. Remove All Ones With Row and Column Flips IIVideoPremium
Solution67.2%Medium
Array, Bit Manipulation +2· 1 company
2175. The Change in Global RankingsVideoPremium
Solution60.9%Medium
Database
2184. Number of Ways to Build Sturdy Brick WallVideoPremium
Solution49.2%Medium
Array, Bit Manipulation +2· 2 companies
2189. Number of Ways to Build House of CardsPremium
Solution60.2%Medium
Dynamic Programming, Math· 1 company
2198. Number of Single Divisor TripletsVideoPremium
Solution53.1%Medium
Math
2214. Minimum Health to Beat GameVideoPremium
Solution58.9%Medium
Array, Greedy· 1 company
2219. Maximum Sum Score of ArrayVideoPremium
Solution62.6%Medium
Array, Prefix Sum· 1 company
2228. Users With Two Purchases Within Seven DaysVideoPremium
Solution47.2%Medium
Database· 1 company
2237. Count Positions on Street With Required BrightnessVideoPremium
Solution62.4%Medium
Array, Prefix Sum· 1 company
2238. Number of Times a Driver Was a PassengerVideoPremium
Solution71.5%Medium
Database· 1 company
2268. Minimum Number of KeypressesVideoPremium
Solution71.2%Medium
Counting, Greedy +3· 1 company
2282. Number of People That Can Be Seen in a GridVideoPremium
Solution46.8%Medium
Array, Matrix +2· 1 company
2291. Maximum Profit From Trading StocksVideoPremium
Solution48.1%Medium
Array, Dynamic Programming· 5 companies
2292. Products With Three or More Orders in Two Consecutive YearsVideoPremium
Solution40.9%Medium
Database· 1 company
2297. Jump Game VIIIVideoPremium
Solution45.5%Medium
Array, Dynamic Programming +4· 1 company
2298. Tasks Count in the WeekendVideoPremium
Solution81.7%Medium
Database
2308. Arrange Table by GenderVideoPremium
Solution71.2%Medium
Database
2314. The First Day of the Maximum Recorded Degree in Each CityVideoPremium
Solution73.7%Medium
Database
2323. Find Minimum Time to Finish All Jobs IIVideoPremium
Solution65.8%Medium
Array, Greedy +1· 1 company
2324. Product Sales Analysis IVVideoPremium
Solution76.1%Medium
Database· 1 company
2330. Valid Palindrome IVVideoPremium
Solution75.8%Medium
String, Two Pointers· 2 companies
2340. Minimum Adjacent Swaps to Make a Valid ArrayVideoPremium
Solution72.6%Medium
Array, Greedy· 1 company
2345. Finding the Number of Visible MountainsVideoPremium
Solution37.3%Medium
Array, Monotonic Stack +2· 2 companies
2346. Compute the Rank as a PercentageVideoPremium
Solution33.7%Medium
Database
2372. Calculate the Influence of Each SalespersonVideoPremium
Solution83.8%Medium
Database
2378. Choose Edges to Maximize Score in a TreeVideoPremium
Solution57.1%Medium
Depth-First Search, Dynamic Programming +1· 1 company
2387. Median of a Row Wise Sorted MatrixVideoPremium
Solution70.9%Medium
Array, Binary Search +1· 1 company
2388. Change Null Values in a Table to the Previous ValueVideoPremium
Solution51.6%Medium
Database· 1 company
2393. Count Strictly Increasing SubarraysVideoPremium
Solution70.8%Medium
Array, Dynamic Programming +1· 1 company
2394. Employees With DeductionsVideoPremium
Solution43.0%Medium
Database· 1 company
2408. Design SQLVideoPremium
Solution63.9%Medium
Array, Design +2· 2 companies
2417. Closest Fair IntegerVideoPremium
Solution43.7%Medium
Enumeration, Math
2422. Merge Operations to Turn Array Into a PalindromeVideoPremium
Solution69.0%Medium
Array, Greedy +1· 5 companies
2431. Maximize Total Tastiness of Purchased FruitsVideoPremium
Solution64.6%Medium
Array, Dynamic Programming· 1 company
2436. Minimum Split Into Subarrays With GCD Greater Than OneVideoPremium
Solution70.2%Medium
Array, Dynamic Programming +3
2445. Number of Nodes With Value OneVideoPremium
Solution66.3%Medium
Binary Tree, Breadth-First Search +2· 1 company
2450. Number of Distinct Binary Strings After Applying OperationsVideoPremium
Solution63.0%Medium
Math, String· 1 company
2464. Minimum Subarrays in a Valid SplitVideoPremium
Solution64.7%Medium
Array, Dynamic Programming +2
2473. Minimum Cost to Buy ApplesVideoPremium
Solution67.5%Medium
Array, Graph +2· 2 companies
2489. Number of Substrings With Fixed RatioVideoPremium
Solution56.0%Medium
Hash Table, Math +2· 1 company
2495. Number of Subarrays Having Even ProductVideoPremium
Solution63.2%Medium
Array, Dynamic Programming +1
2505. Bitwise OR of All Subsequence SumsVideoPremium
Solution63.4%Medium
Array, Bit Manipulation +2· 1 company
2510. Check if There is a Path With Equal Number of 0's And 1'sVideoPremium
Solution51.9%Medium
Array, Dynamic Programming +1· 1 company
2533. Number of Good Binary StringsVideoPremium
Solution52.8%Medium
Dynamic Programming· 1 company
2539. Count the Number of Good SubsequencesVideoPremium
Solution47.7%Medium
Combinatorics, Counting +3· 4 companies
2548. Maximum Price to Fill a BagVideoPremium
Solution65.2%Medium
Array, Greedy +1· 1 company
Showing 251–300 of 464