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76 problems

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

Premium · 76 results

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TitleSolutionAcceptDifficultyTopics
256. Paint HouseVideoPremium
Solution64.3%Medium
Array, Dynamic Programming· 8 companies
265. Paint House IIVideoPremium
Solution57.0%Hard
Array, Dynamic Programming· 2 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
465. Optimal Account BalancingVideoPremium
Solution50.9%Hard
Array, Backtracking +3· 12 companies
471. Encode String with Shortest LengthVideoPremium
Solution50.5%Hard
Dynamic Programming, String· 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
568. Maximum Vacation DaysVideoPremium
Solution46.7%Hard
Array, Dynamic Programming +1· 3 companies
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
656. Coin PathVideoPremium
Solution34.2%Hard
Array, Dynamic Programming· 1 company
727. Minimum Window SubsequenceVideoPremium
Solution43.5%Hard
Dynamic Programming, Sliding Window +1· 5 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
1067. Digit Count in RangeVideoPremium
Solution46.4%Hard
Dynamic Programming, Math· 1 company
1182. Shortest Distance to Target ColorVideoPremium
Solution56.5%Medium
Array, Binary Search +1· 1 company
1216. Valid Palindrome IIIVideoPremium
Solution49.2%Hard
Dynamic Programming, String· 3 companies
1230. Toss Strange CoinsVideoPremium
Solution58.1%Medium
Array, Dynamic Programming +2· 1 company
1246. Palindrome RemovalVideoPremium
Solution46.4%Hard
Array, Dynamic Programming· 1 company
1259. Handshakes That Don't CrossVideoPremium
Solution61.1%Hard
Dynamic Programming, Math· 1 company
1548. The Most Similar Path in a GraphVideoPremium
Solution59.2%Hard
Dynamic Programming, Graph· 1 company
1682. Longest Palindromic Subsequence IIVideoPremium
Solution50.1%Medium
Dynamic Programming, String
1692. Count Ways to Distribute CandiesVideoPremium
Solution62.7%Hard
Dynamic Programming· 1 company
1714. Sum Of Special Evenly-Spaced Elements In ArrayVideoPremium
Solution49.9%Hard
Array, Dynamic Programming· 1 company
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
2005. Subtree Removal Game with Fibonacci TreeVideoPremium
–54.9%Hard
Binary Tree, Dynamic Programming +3· 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
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
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
2247. Maximum Cost of Trip With K HighwaysPremium
Solution50.2%Hard
Bit Manipulation, Bitmask +2
2263. Make Array Non-decreasing or Non-increasingVideoPremium
Solution64.7%Hard
Dynamic Programming, Greedy· 2 companies
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
2313. Minimum Flips in Binary Tree to Get ResultVideoPremium
Solution56.9%Hard
Binary Tree, Depth-First Search +2· 1 company
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
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
2403. Minimum Time to Kill All MonstersVideoPremium
Solution56.3%Hard
Array, Bit Manipulation +2· 1 company
2431. Maximize Total Tastiness of Purchased FruitsVideoPremium
Solution64.6%Medium
Array, Dynamic Programming· 1 company
Showing 1–50 of 76