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Problems

136 problems

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Array578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 136 results

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TitleSolutionAcceptDifficultyTopics
3312. Sorted GCD Pair QueriesVideo
Solution58.4%Hard
Array, Binary Search +6· 1 company
3347. Maximum Frequency of an Element After Performing Operations IIVideo
Solution53.8%Hard
Array, Binary Search +3· 3 companies
3357. Minimize the Maximum Adjacent Element DifferenceVideo
Solution20.2%Hard
Array, Binary Search +1· 1 company
3369. Design an Array Statistics Tracker VideoPremium
Solution35.7%Hard
Binary Search, Hash Table +1· 1 company
3398. Smallest Substring With Identical Characters IVideo
Solution21.0%Hard
Array, Binary Search +1· 2 companies
3399. Smallest Substring With Identical Characters IIVideo
Solution39.0%Hard
Binary Search, String· 1 company
3414. Maximum Score of Non-overlapping IntervalsVideo
Solution65.9%Hard
Array, Binary Search +2· 2 companies
3449. Maximize the Minimum Game ScoreVideo
–26.2%Hard
Array, Binary Search +1· 2 companies
3454. Separate Squares IIVideo
Solution59.2%Hard
Array, Binary Search +2· 2 companies
3455. Shortest Matching SubstringVideo
Solution24.5%Hard
Binary Search, String +2· 1 company
3464. Maximize the Distance Between Points on a SquareVideo
Solution51.3%Hard
Array, Binary Search +3· 2 companies
3501. Maximize Active Section with Trade IIVideo
Solution64.7%Hard
Array, Binary Search +2
3534. Path Existence Queries in a Graph IIVideo
Solution64.2%Hard
Array, Binary Search +6· 4 companies
3585. Find Weighted Median Node in TreeVideo
Solution26.7%Hard
Array, Binary Search +4· 1 company
3600. Maximize Spanning Tree Stability with UpgradesVideo
Solution65.9%Hard
Binary Search, Graph +3· 3 companies
3605. Minimum Stability Factor of ArrayVideo
–20.4%Hard
Array, Binary Search +4· 1 company
3620. Network Recovery PathwaysVideo
Solution50.8%Hard
Array, Binary Search +5· 2 companies
3636. Threshold Majority QueriesVideo
–22.5%Hard
Array, Binary Search +4· 4 companies
3661. Maximum Walls Destroyed by RobotsVideo
Solution48.0%Hard
Array, Binary Search +2· 3 companies
3710. Maximum Partition FactorVideo
–31.8%Hard
Array, Binary Search +4· 2 companies
3735. Lexicographically Smallest String After Reverse IIPremium
–49.0%Hard
Binary Search, Hash Function +3
3748. Count Stable SubarraysVideo
Solution31.9%Hard
Array, Binary Search +1
3762. Minimum Operations to Equalize SubarraysVideo
–20.0%Hard
Array, Binary Search +2
3801. Minimum Cost to Merge Sorted ListsVideo
Solution33.8%Hard
Array, Binary Search +3
3911. K-th Smallest Remaining Even Integer in Subarray QueriesVideo
–28.6%Hard
Array, Binary Search
3920. Maximize Fixed Points After DeletionsVideo
–19.9%Hard
Array, Binary Search +1· 1 company
3924. Minimum Threshold Path With Limited Heavy EdgesVideo
–39.0%Hard
Binary Search, Breadth-First Search +1
3934. Smallest Unique SubarrayVideo
Solution39.7%Hard
Array, Binary Search +4
3956. Maximum Sum of M Non-Overlapping Subarrays IVideo
–26.3%Hard
Array, Binary Search +5
3957. Maximum Sum of M Non-Overlapping Subarrays IIVideo
–16.6%Hard
Array, Binary Search +5
3971. Maximum Total ValueVideo
–29.7%Hard
Array, Binary Search +2· 1 company
3985. Palindromic Subarray SumVideo
–34.6%Hard
Array, Binary Search +2
4051. Count Subarrays with Distant SumsVideo
Solution32.8%Hard
Array, Binary Indexed Tree +3
4055. Count Shadow Pairs II
–18.7%Hard
Array, Binary Indexed Tree +6
4064. Longest Subarray Divisible by K with At Most One Negation IIVideo
Solution24.7%Hard
Array, Binary Search +2
4068. Maximize Meeting Earnings with Idle GapsVideo
Solution39.0%Hard
Array, Binary Search +2
Showing 101–136 of 136