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Problems

248 problems

Has videoPremium onlyReset
Prefix SumArray2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 248 results

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TitleSolutionAcceptDifficultyTopics
209. Minimum Size Subarray SumVideo
Solution53.1%Medium
Array, Binary Search +2· 18 companies
238. Product of Array Except SelfVideo
Solution69.3%Medium
Array, Prefix Sum· 40 companies
253. Meeting Rooms IIVideoPremium
Solution52.6%Medium
Array, Greedy +4· 42 companies
303. Range Sum Query - ImmutableVideo
Solution73.5%Easy
Array, Design +1· 8 companies
304. Range Sum Query 2D - ImmutableVideo
Solution59.2%Medium
Array, Design +2· 10 companies
325. Maximum Size Subarray Sum Equals kVideoPremium
Solution50.8%Medium
Array, Hash Table +1· 8 companies
363. Max Sum of Rectangle No Larger Than KVideo
Solution46.0%Hard
Array, Binary Search +3· 3 companies
370. Range AdditionVideoPremium
Solution73.0%Medium
Array, Prefix Sum· 2 companies
410. Split Array Largest SumVideo
Solution61.2%Hard
Array, Binary Search +3· 20 companies
497. Random Point in Non-overlapping RectanglesVideo
Solution40.8%Medium
Array, Binary Search +5· 2 companies
523. Continuous Subarray SumVideo
Solution31.3%Medium
Array, Hash Table +2· 9 companies
525. Contiguous ArrayVideo
Solution52.2%Medium
Array, Hash Table +1· 16 companies
528. Random Pick with WeightVideo
Solution49.0%Medium
Array, Binary Search +3· 26 companies
548. Split Array with Equal SumVideoPremium
Solution50.1%Hard
Array, Hash Table +1· 1 company
560. Subarray Sum Equals KVideo
Solution48.2%Medium
Array, Hash Table +1· 47 companies
644. Maximum Average Subarray IIVideoPremium
Solution37.7%Hard
Array, Binary Search +1· 1 company
713. Subarray Product Less Than KVideo
Solution54.8%Medium
Array, Binary Search +2· 20 companies
724. Find Pivot IndexVideo
Solution64.2%Easy
Array, Prefix Sum· 18 companies
731. My Calendar IIVideo
Solution63.3%Medium
Array, Binary Search +4· 3 companies
732. My Calendar IIIVideo
Solution72.4%Hard
Binary Search, Design +3· 1 company
798. Smallest Rotation with Highest ScoreVideo
Solution54.8%Hard
Array, Prefix Sum· 1 company
813. Largest Sum of AveragesVideo
Solution55.5%Medium
Array, Dynamic Programming +1· 2 companies
848. Shifting LettersVideo
Solution46.1%Medium
Array, Prefix Sum +1· 3 companies
862. Shortest Subarray with Sum at Least KVideo
Solution33.3%Hard
Array, Binary Search +5· 7 companies
903. Valid Permutations for DI SequenceVideo
Solution56.9%Hard
Dynamic Programming, Prefix Sum +1
930. Binary Subarrays With SumVideo
Solution69.7%Medium
Array, Hash Table +2· 7 companies
974. Subarray Sums Divisible by KVideo
Solution56.7%Medium
Array, Hash Table +1· 11 companies
995. Minimum Number of K Consecutive Bit FlipsVideo
Solution62.7%Hard
Array, Bit Manipulation +3· 2 companies
1000. Minimum Cost to Merge StonesVideo
Solution47.0%Hard
Array, Dynamic Programming +1· 4 companies
1004. Max Consecutive Ones IIIVideo
Solution68.6%Medium
Array, Binary Search +2· 20 companies
1074. Number of Submatrices That Sum to TargetVideo
Solution74.4%Hard
Array, Hash Table +2· 4 companies
1094. Car PoolingVideo
Solution56.5%Medium
Array, Heap (Priority Queue) +3· 12 companies
1109. Corporate Flight BookingsVideo
Solution68.7%Medium
Array, Prefix Sum· 5 companies
1124. Longest Well-Performing IntervalVideo
Solution38.5%Medium
Array, Hash Table +3· 2 companies
1140. Stone Game IIVideo
Solution75.8%Medium
Array, Dynamic Programming +3· 5 companies
1177. Can Make Palindrome from SubstringVideo
Solution42.0%Medium
Array, Bit Manipulation +3· 1 company
1208. Get Equal Substrings Within BudgetVideo
Solution60.2%Medium
Binary Search, Prefix Sum +2· 4 companies
1248. Count Number of Nice SubarraysVideo
Solution75.5%Medium
Array, Hash Table +3· 9 companies
1292. Maximum Side Length of a Square with Sum Less than or Equal to ThresholdVideo
Solution65.4%Medium
Array, Binary Search +2· 4 companies
1310. XOR Queries of a SubarrayVideo
Solution78.1%Medium
Array, Bit Manipulation +1· 3 companies
1314. Matrix Block SumVideo
Solution77.0%Medium
Array, Matrix +1· 3 companies
1371. Find the Longest Substring Containing Vowels in Even CountsVideo
Solution75.7%Medium
Bit Manipulation, Hash Table +2· 6 companies
1413. Minimum Value to Get Positive Step by Step SumVideo
Solution65.1%Easy
Array, Prefix Sum· 9 companies
1420. Build Array Where You Can Find The Maximum Exactly K ComparisonsVideo
Solution65.3%Hard
Dynamic Programming, Prefix Sum· 2 companies
1422. Maximum Score After Splitting a StringVideo
Solution65.1%Easy
Prefix Sum, String· 3 companies
1423. Maximum Points You Can Obtain from CardsVideo
Solution58.1%Medium
Array, Prefix Sum +1· 11 companies
1442. Count Triplets That Can Form Two Arrays of Equal XORVideo
Solution84.9%Medium
Array, Bit Manipulation +3· 2 companies
1480. Running Sum of 1d ArrayVideo
Solution86.9%Easy
Array, Prefix Sum· 6 companies
1524. Number of Sub-arrays With Odd SumVideo
Solution55.7%Medium
Array, Dynamic Programming +2· 6 companies
1546. Maximum Number of Non-Overlapping Subarrays With Sum Equals TargetVideo
Solution49.4%Medium
Array, Greedy +2· 1 company
Showing 1–50 of 248