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Problems

252 problems

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Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

252 results

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TitleSolutionAcceptDifficultyTopics
1588. Sum of All Odd Length SubarraysVideo
Solution84.0%Easy
Array, Math +1· 3 companies
1589. Maximum Sum Obtained of Any PermutationVideo
Solution41.7%Medium
Array, Greedy +2· 2 companies
1590. Make Sum Divisible by PVideo
Solution42.6%Medium
Array, Hash Table +1· 7 companies
1658. Minimum Operations to Reduce X to ZeroVideo
Solution45.0%Medium
Array, Binary Search +3· 4 companies
1664. Ways to Make a Fair ArrayVideo
Solution67.8%Medium
Array, Prefix Sum· 7 companies
1674. Minimum Moves to Make Array ComplementaryVideo
Solution65.2%Medium
Array, Hash Table +1· 5 companies
1685. Sum of Absolute Differences in a Sorted ArrayVideo
Solution68.2%Medium
Array, Math +1· 4 companies
1687. Delivering Boxes from Storage to PortsVideo
Solution40.1%Hard
Array, Dynamic Programming +5· 1 company
1703. Minimum Adjacent Swaps for K Consecutive OnesVideo
Solution42.8%Hard
Array, Greedy +2· 4 companies
1712. Ways to Split Array Into Three SubarraysVideo
Solution34.2%Medium
Array, Binary Search +2· 3 companies
1732. Find the Highest AltitudeVideo
Solution84.7%Easy
Array, Prefix Sum· 7 companies
1737. Change Minimum Characters to Satisfy One of Three ConditionsVideo
Solution38.4%Medium
Counting, Hash Table +2· 1 company
1738. Find Kth Largest XOR Coordinate ValueVideo
Solution64.3%Medium
Array, Bit Manipulation +6· 1 company
1744. Can You Eat Your Favorite Candy on Your Favorite Day?Video
Solution36.7%Medium
Array, Prefix Sum· 1 company
1769. Minimum Number of Operations to Move All Balls to Each BoxVideo
Solution90.1%Medium
Array, Prefix Sum +1· 6 companies
1788. Maximize the Beauty of the GardenVideoPremium
Solution62.8%Hard
Array, Greedy +2· 1 company
1829. Maximum XOR for Each QueryVideo
Solution84.7%Medium
Array, Bit Manipulation +1· 2 companies
1838. Frequency of the Most Frequent ElementVideo
Solution45.3%Medium
Array, Binary Search +4· 11 companies
1854. Maximum Population YearVideo
Solution64.4%Easy
Array, Counting +1· 7 companies
1856. Maximum Subarray Min-ProductVideo
Solution40.7%Medium
Array, Monotonic Stack +2· 3 companies
1862. Sum of Floored PairsVideo
Solution31.4%Hard
Array, Binary Search +2
1871. Jump Game VIIVideo
Solution35.4%Medium
Dynamic Programming, Prefix Sum +2· 4 companies
1872. Stone Game VIIIVideo
Solution75.2%Hard
Array, Dynamic Programming +3· 1 company
1878. Get Biggest Three Rhombus Sums in a GridVideo
Solution71.4%Medium
Array, Heap (Priority Queue) +4· 4 companies
1889. Minimum Space Wasted From PackagingVideo
Solution33.6%Hard
Array, Binary Search +2· 3 companies
1893. Check if All the Integers in a Range Are CoveredVideo
Solution51.4%Easy
Array, Hash Table +1· 3 companies
1894. Find the Student that Will Replace the ChalkVideo
Solution53.2%Medium
Array, Binary Search +2· 2 companies
1895. Largest Magic SquareVideo
Solution75.3%Medium
Array, Matrix +1· 3 companies
1915. Number of Wonderful SubstringsVideo
Solution66.8%Medium
Bit Manipulation, Hash Table +2· 2 companies
1930. Unique Length-3 Palindromic SubsequencesVideo
Solution73.8%Medium
Bit Manipulation, Hash Table +2· 6 companies
1943. Describe the PaintingVideo
Solution53.3%Medium
Array, Hash Table +2· 3 companies
1983. Widest Pair of Indices With Equal Range SumVideoPremium
Solution54.0%Medium
Array, Hash Table +1· 1 company
1991. Find the Middle Index in ArrayVideo
Solution70.5%Easy
Array, Prefix Sum· 4 companies
2017. Grid GameVideo
Solution60.9%Medium
Array, Matrix +1· 4 companies
2021. Brightest Position on StreetVideoPremium
Solution60.5%Medium
Array, Ordered Set +1· 6 companies
2024. Maximize the Confusion of an ExamVideo
Solution70.4%Medium
Binary Search, Prefix Sum +2· 4 companies
2025. Maximum Number of Ways to Partition an ArrayVideo
Solution36.2%Hard
Array, Counting +3· 2 companies
2055. Plates Between CandlesVideo
Solution47.4%Medium
Array, Binary Search +2· 3 companies
2067. Number of Equal Count SubstringsVideoPremium
Solution45.1%Medium
Counting, Prefix Sum +1· 1 company
2083. Substrings That Begin and End With the Same LetterVideoPremium
Solution74.1%Medium
Counting, Hash Table +3
2100. Find Good Days to Rob the BankVideo
Solution52.1%Medium
Array, Dynamic Programming +1· 2 companies
2106. Maximum Fruits Harvested After at Most K StepsVideo
Solution61.0%Hard
Array, Binary Search +2· 5 companies
2121. Intervals Between Identical ElementsVideo
Solution48.4%Medium
Array, Hash Table +1· 2 companies
2132. Stamping the GridVideo
Solution36.3%Hard
Array, Greedy +2· 1 company
2145. Count the Hidden SequencesVideo
Solution56.7%Medium
Array, Prefix Sum· 6 companies
2171. Removing Minimum Number of Magic BeansVideo
Solution45.1%Medium
Array, Enumeration +3· 1 company
2207. Maximize Number of Subsequences in a StringVideo
Solution36.0%Medium
Greedy, Prefix Sum +1· 1 company
2209. Minimum White Tiles After Covering With CarpetsVideo
Solution39.3%Hard
Dynamic Programming, Prefix Sum +1· 1 company
2218. Maximum Value of K Coins From PilesVideo
Solution60.5%Hard
Array, Dynamic Programming +1· 1 company
2219. Maximum Sum Score of ArrayVideoPremium
Solution62.6%Medium
Array, Prefix Sum· 1 company
Showing 51–100 of 252