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49 problems

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

Medium · Premium · 49 results

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TitleSolutionAcceptDifficultyTopics
256. Paint HouseVideoPremium
Solution64.3%Medium
Array, Dynamic Programming· 8 companies
276. Paint FenceVideoPremium
Solution48.3%Medium
Dynamic Programming· 4 companies
294. Flip Game IIVideoPremium
Solution52.2%Medium
Backtracking, Dynamic Programming +3· 2 companies
333. Largest BST SubtreeVideoPremium
Solution45.8%Medium
Binary Search Tree, Binary Tree +3· 2 companies
351. Android Unlock PatternsVideoPremium
Solution53.8%Medium
Backtracking, Bit Manipulation +2· 1 company
361. Bomb EnemyVideoPremium
Solution52.8%Medium
Array, Dynamic Programming +1· 2 companies
418. Sentence Screen FittingVideoPremium
Solution36.3%Medium
Array, Dynamic Programming +1· 1 company
487. Max Consecutive Ones IIVideoPremium
Solution52.0%Medium
Array, Dynamic Programming +1· 4 companies
562. Longest Line of Consecutive One in MatrixVideoPremium
Solution50.5%Medium
Array, Dynamic Programming +1· 1 company
634. Find the Derangement of An ArrayVideoPremium
Solution41.9%Medium
Dynamic Programming, Math· 1 company
651. 4 Keys KeyboardVideoPremium
Solution56.5%Medium
Dynamic Programming, Math· 2 companies
750. Number Of Corner RectanglesVideoPremium
Solution67.8%Medium
Array, Dynamic Programming +2· 1 company
1062. Longest Repeating SubstringVideoPremium
Solution63.4%Medium
Binary Search, Dynamic Programming +4· 4 companies
1066. Campus Bikes IIVideoPremium
Solution55.9%Medium
Array, Backtracking +3· 1 company
1182. Shortest Distance to Target ColorVideoPremium
Solution56.5%Medium
Array, Binary Search +1· 1 company
1230. Toss Strange CoinsVideoPremium
Solution58.1%Medium
Array, Dynamic Programming +2· 1 company
1682. Longest Palindromic Subsequence IIVideoPremium
Solution50.1%Medium
Dynamic Programming, String
1746. Maximum Subarray Sum After One OperationVideoPremium
Solution65.2%Medium
Array, Dynamic Programming· 1 company
1908. Game of NimVideoPremium
Solution62.4%Medium
Array, Bit Manipulation +4
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
2152. Minimum Number of Lines to Cover PointsVideoPremium
Solution42.9%Medium
Array, Backtracking +6· 1 company
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
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
2378. Choose Edges to Maximize Score in a TreeVideoPremium
Solution57.1%Medium
Depth-First Search, Dynamic Programming +1· 1 company
2393. Count Strictly Increasing SubarraysVideoPremium
Solution70.8%Medium
Array, Dynamic Programming +1· 1 company
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
2464. Minimum Subarrays in a Valid SplitVideoPremium
Solution64.7%Medium
Array, Dynamic Programming +2
2495. Number of Subarrays Having Even ProductVideoPremium
Solution63.2%Medium
Array, Dynamic Programming +1
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
2638. Count the Number of K-Free SubsetsVideoPremium
Solution47.4%Medium
Array, Combinatorics +3· 1 company
2892. Minimizing Array After Replacing Pairs With Their ProductVideoPremium
Solution40.6%Medium
Array, Dynamic Programming +1· 1 company
2979. Most Expensive Item That Can Not Be BoughtVideoPremium
Solution80.2%Medium
Dynamic Programming, Math +1· 1 company
2992. Number of Self-Divisible PermutationsVideoPremium
Solution72.0%Medium
Array, Backtracking +3· 1 company
3004. Maximum Subtree of the Same ColorVideoPremium
Solution59.2%Medium
Array, Depth-First Search +2· 2 companies
3135. Equalize Strings by Adding or Removing Characters at EndsVideoPremium
Solution56.8%Medium
Binary Search, Dynamic Programming +3· 1 company
3183. The Number of Ways to Make the SumVideoPremium
Solution50.8%Medium
Array, Dynamic Programming
3205. Maximum Array Hopping Score IVideoPremium
Solution77.0%Medium
Array, Dynamic Programming +3· 1 company
3247. Number of Subsequences with Odd SumVideoPremium
Solution47.6%Medium
Array, Combinatorics +2
3284. Sum of Consecutive SubarraysVideoPremium
Solution43.4%Medium
Array, Dynamic Programming +1
3339. Find the Number of K-Even ArraysVideoPremium
Solution61.3%Medium
Dynamic Programming
3466. Maximum Coin Collection VideoPremium
Solution52.8%Medium
Array, Dynamic Programming· 1 company
3610. Minimum Number of Primes to Sum to TargetVideoPremium
Solution59.8%Medium
Array, Dynamic Programming +2· 1 company
3647. Maximum Weight in Two BagsPremium
Solution58.3%Medium
Array, Dynamic Programming
3717. Minimum Operations to Make the Array BeautifulPremium
Solution36.9%Medium
Array, Dynamic Programming
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