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301 problems

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Array301Database212Hash Table116String116Depth-First Search78Math78Dynamic Programming76Sorting64Tree63Breadth-First Search53Greedy52Binary Search50Binary Tree48Two Pointers40Matrix39All topics

Premium · 301 results

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TitleSolutionAcceptDifficultyTopics
2021. Brightest Position on StreetVideoPremium
Solution60.5%Medium
Array, Ordered Set +1· 6 companies
2031. Count Subarrays With More Ones Than ZerosVideoPremium
Solution49.7%Medium
Array, Binary Indexed Tree +5· 1 company
2036. Maximum Alternating Subarray SumVideoPremium
Solution40.0%Medium
Array, Dynamic Programming· 1 company
2052. Minimum Cost to Separate Sentence Into RowsVideoPremium
Solution50.1%Medium
Array, Dynamic Programming· 1 company
2061. Number of Spaces Cleaning Robot CleanedVideoPremium
Solution64.3%Medium
Array, Matrix +1· 2 companies
2098. Subsequence of Size K With the Largest Even SumVideoPremium
Solution35.5%Medium
Array, Greedy +1· 3 companies
2107. Number of Unique Flavors After Sharing K CandiesVideoPremium
Solution62.4%Medium
Array, Hash Table +1· 2 companies
2113. Elements in Array After Removing and Replacing ElementsVideoPremium
Solution69.1%Medium
Array
2123. Minimum Operations to Remove Adjacent Ones in MatrixVideoPremium
Solution42.5%Hard
Array, Graph +1· 1 company
2128. Remove All Ones With Row and Column FlipsVideoPremium
Solution76.2%Medium
Array, Bit Manipulation +2· 1 company
2137. Pour Water Between Buckets to Make Water Levels EqualVideoPremium
Solution68.4%Medium
Array, Binary Search· 1 company
2143. Choose Numbers From Two Arrays in RangePremium
Solution51.4%Hard
Array, Dynamic Programming· 1 company
2152. Minimum Number of Lines to Cover PointsVideoPremium
Solution42.9%Medium
Array, Backtracking +6· 1 company
2158. Amount of New Area Painted Each DayVideoPremium
Solution55.3%Hard
Array, Ordered Set +1· 2 companies
2174. Remove All Ones With Row and Column Flips IIVideoPremium
Solution67.2%Medium
Array, Bit Manipulation +2· 1 company
2184. Number of Ways to Build Sturdy Brick WallVideoPremium
Solution49.2%Medium
Array, Bit Manipulation +2· 2 companies
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
2229. Check if an Array Is ConsecutiveVideoPremium
Solution61.6%Easy
Array, Hash Table +1
2237. Count Positions on Street With Required BrightnessVideoPremium
Solution62.4%Medium
Array, Prefix Sum· 1 company
2277. Closest Node to Path in TreeVideoPremium
–62.1%Hard
Array, Breadth-First Search +2· 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
2297. Jump Game VIIIVideoPremium
Solution45.5%Medium
Array, Dynamic Programming +4· 1 company
2307. Check for Contradictions in EquationsVideoPremium
Solution43.8%Hard
Array, Depth-First Search +2· 2 companies
2323. Find Minimum Time to Finish All Jobs IIVideoPremium
Solution65.8%Medium
Array, Greedy +1· 1 company
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
2355. Maximum Number of Books You Can TakeVideoPremium
Solution40.9%Hard
Array, Dynamic Programming +2· 1 company
2361. Minimum Costs Using the Train LineVideoPremium
Solution78.4%Hard
Array, Dynamic Programming· 1 company
2371. Minimize Maximum Value in a GridVideoPremium
Solution70.1%Hard
Array, Graph +4· 1 company
2387. Median of a Row Wise Sorted MatrixVideoPremium
Solution70.9%Medium
Array, Binary Search +1· 1 company
2393. Count Strictly Increasing SubarraysVideoPremium
Solution70.8%Medium
Array, Dynamic Programming +1· 1 company
2403. Minimum Time to Kill All MonstersVideoPremium
Solution56.3%Hard
Array, Bit Manipulation +2· 1 company
2408. Design SQLVideoPremium
Solution63.9%Medium
Array, Design +2· 2 companies
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
2459. Sort Array by Moving Items to Empty SpaceVideoPremium
Solution45.7%Hard
Array, Greedy +1· 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
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
2519. Count the Number of K-Big IndicesVideoPremium
Solution53.2%Hard
Array, Binary Indexed Tree +5· 1 company
2524. Maximum Frequency Score of a SubarrayVideoPremium
Solution35.7%Hard
Array, Hash Table +3· 1 company
2534. Time Taken to Cross the DoorVideoPremium
Solution50.1%Hard
Array, Queue +1· 3 companies
2548. Maximum Price to Fill a BagVideoPremium
Solution65.2%Medium
Array, Greedy +1· 1 company
2557. Maximum Number of Integers to Choose From a Range IIVideoPremium
Solution34.9%Medium
Array, Binary Search +2· 1 company
2590. Design a Todo ListVideoPremium
Solution59.8%Medium
Array, Design +3· 1 company
Showing 151–200 of 301