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2,133 problems

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Array1,212 Hash Table473 String437 Math331 Greedy330 Dynamic Programming327 Sorting302 Depth-First Search208 Binary Search189 Breadth-First Search166 Matrix163 Tree158 Prefix Sum155 Two Pointers150 Database137 All topics

Medium · 2,133 results

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TitleSolutionAcceptDifficultyTopics

1764. Form Array by Concatenating Subarrays of Another ArrayVideo

Solution54.7%Medium

Array, Greedy +2· 1 company

1765. Map of Highest PeakVideo

Solution76.3%Medium

Array, Breadth-First Search +1· 3 companies

1769. Minimum Number of Operations to Move All Balls to Each BoxVideo

Solution90.1%Medium

Array, Prefix Sum +1· 6 companies

1772. Sort Features by PopularityVideoPremium

Solution66.4%Medium

Array, Hash Table +2· 1 company

1774. Closest Dessert CostVideo

Solution49.0%Medium

Array, Backtracking +1· 1 company

1775. Equal Sum Arrays With Minimum Number of OperationsVideo

Solution54.6%Medium

Array, Counting +2· 1 company

1778. Shortest Path in a Hidden GridVideoPremium

Solution44.5%Medium

Breadth-First Search, Depth-First Search +2· 3 companies

1780. Check if Number is a Sum of Powers of ThreeVideo

Solution79.4%Medium

Math· 4 companies

1781. Sum of Beauty of All SubstringsVideo

Solution74.9%Medium

Counting, Hash Table +1· 6 companies

1783. Grand Slam TitlesVideoPremium

Solution83.2%Medium

Database· 1 company

1785. Minimum Elements to Add to Form a Given SumVideo

Solution45.6%Medium

Array, Greedy· 1 company

1786. Number of Restricted Paths From First to Last NodeVideo

Solution41.6%Medium

Dynamic Programming, Graph +3· 1 company

1792. Maximum Average Pass RatioVideo

Solution74.1%Medium

Array, Greedy +1· 5 companies

1794. Count Pairs of Equal Substrings With Minimum DifferenceVideoPremium

Solution62.7%Medium

Greedy, Hash Table +1· 1 company

1797. Design Authentication ManagerVideo

Solution58.5%Medium

Design, Doubly-Linked List +2· 11 companies

1798. Maximum Number of Consecutive Values You Can MakeVideo

Solution64.4%Medium

Array, Greedy +1· 1 company

1801. Number of Orders in the BacklogVideo

Solution54.9%Medium

Array, Heap (Priority Queue) +1· 4 companies

1802. Maximum Value at a Given Index in a Bounded ArrayVideo

Solution39.0%Medium

Binary Search, Greedy· 4 companies

1804. Implement Trie II (Prefix Tree)VideoPremium

Solution63.6%Medium

Design, Hash Table +2· 2 companies

1806. Minimum Number of Operations to Reinitialize a PermutationVideo

Solution72.9%Medium

Array, Math +1· 1 company

1807. Evaluate the Bracket Pairs of a StringVideo

Solution80.8%Medium

Array, Hash Table +1· 2 companies

1810. Minimum Path Cost in a Hidden GridVideoPremium

Solution58.7%Medium

Breadth-First Search, Depth-First Search +3· 2 companies

1811. Find Interview CandidatesVideoPremium

Solution60.8%Medium

Database· 1 company

1813. Sentence Similarity IIIVideo

Solution48.8%Medium

Array, String +1· 4 companies

1814. Count Nice Pairs in an ArrayVideo

Solution48.6%Medium

Array, Counting +2· 6 companies

1817. Finding the Users Active MinutesVideo

Solution81.0%Medium

Array, Hash Table· 2 companies

1818. Minimum Absolute Sum DifferenceVideo

Solution32.9%Medium

Array, Binary Search +2· 1 company

1820. Maximum Number of Accepted InvitationsVideoPremium

Solution52.4%Medium

Array, Depth-First Search +2· 2 companies

1823. Find the Winner of the Circular GameVideo

Solution82.4%Medium

Array, Math +3· 12 companies

1824. Minimum Sideway JumpsVideo

Solution51.6%Medium

Array, Dynamic Programming +1· 6 companies

1828. Queries on Number of Points Inside a CircleVideo

Solution86.9%Medium

Array, Geometry +1· 2 companies

1829. Maximum XOR for Each QueryVideo

Solution84.7%Medium

Array, Bit Manipulation +1· 2 companies

1831. Maximum Transaction Each DayVideoPremium

Solution82.1%Medium

1833. Maximum Ice Cream BarsVideo

Solution77.2%Medium

Array, Counting Sort +2· 5 companies

1834. Single-Threaded CPUVideo

Solution48.1%Medium

Array, Heap (Priority Queue) +1· 7 companies

1836. Remove Duplicates From an Unsorted Linked ListVideoPremium

Solution75.6%Medium

Hash Table, Linked List· 2 companies

1838. Frequency of the Most Frequent ElementVideo

Solution45.3%Medium

Array, Binary Search +4· 11 companies

1839. Longest Substring Of All Vowels in OrderVideo

Solution52.3%Medium

Sliding Window, String· 5 companies

1841. League StatisticsVideoPremium

Solution53.4%Medium

1843. Suspicious Bank AccountsVideoPremium

Solution44.1%Medium

Database· 1 company

1845. Seat Reservation ManagerVideo

Solution67.1%Medium

Design, Heap (Priority Queue)· 4 companies

1846. Maximum Element After Decreasing and RearrangingVideo

Solution69.2%Medium

Array, Greedy +1· 4 companies

1849. Splitting a String Into Descending Consecutive ValuesVideo

Solution37.5%Medium

Backtracking, String

1850. Minimum Adjacent Swaps to Reach the Kth Smallest NumberVideo

Solution72.0%Medium

Greedy, String +1· 2 companies

1852. Distinct Numbers in Each SubarrayVideoPremium

Solution77.3%Medium

Array, Hash Table +1· 1 company

1855. Maximum Distance Between a Pair of ValuesVideo

Solution61.3%Medium

Array, Binary Search +1· 2 companies

1856. Maximum Subarray Min-ProductVideo

Solution40.7%Medium

Array, Monotonic Stack +2· 3 companies

1858. Longest Word With All PrefixesVideoPremium

Solution73.1%Medium

Depth-First Search, Trie· 1 company

1860. Incremental Memory LeakVideo

Solution73.0%Medium

Math, Simulation· 1 company

1861. Rotating the BoxVideo

Solution82.4%Medium

Array, Matrix +1· 10 companies

Showing 951–1,000 of 2,133