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Problems

682 problems

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Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 682 results

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TitleSolutionAcceptDifficultyTopics
3896. Minimum Operations to Transform Array into Alternating PrimeVideo
Solution53.2%Medium
Array, Binary Search +4· 1 company
3899. Angles of a TriangleVideo
Solution62.5%Medium
Array, Geometry +1
3901. Good Subsequence QueriesVideo
Solution19.9%Hard
Array, Math +2· 2 companies
3908. Valid Digit NumberVideo
Solution69.8%Easy
Math
3918. Sum of Primes Between Number and Its ReverseVideo
Solution75.3%Medium
Math, Number Theory
3927. Minimize Array Sum Using Divisible ReplacementsVideo
–32.2%Medium
Array, Greedy +3· 1 company
3932. Count K-th Roots in a RangeVideo
Solution24.6%Medium
Binary Search, Math· 2 companies
3945. Digit Frequency ScoreVideo
Solution90.7%Easy
Hash Table, Math
3953. Maximum Score with Co-Prime ElementVideo
–27.5%Hard
Array, Combinatorics +4· 2 companies
3959. Check Good IntegerVideo
Solution82.6%Easy
Math, Simulation
3966. Count Good Integers in a RangeVideo
–49.8%Hard
Dynamic Programming, Math
3968. Maximum Manhattan Distance After All MovesVideo
Solution63.3%Medium
Counting, Math +1
3971. Maximum Total ValueVideo
–29.7%Hard
Array, Binary Search +2· 1 company
3982. Sum of Integers with Maximum Digit RangeVideo
Solution72.9%Easy
Array, Math
3984. Divisible GameVideo
–42.3%Medium
Array, Dynamic Programming +3
3986. Number of Elapsed Seconds Between Two TimesVideo
Solution82.5%Easy
Math, String
3987. Minimum Total Cost to Process All ElementsVideo
Solution24.7%Medium
Array, Math +1
3988. Create Grid With Exactly K Paths IVideo
–33.1%Medium
Array, Combinatorics +2
3993. Maximum Value of an Alternating SequenceVideo
Solution31.5%Medium
Greedy, Math
3996. Even Number of Knight MovesVideo
Solution75.1%Easy
Array, Math
4000. Largest Integer With Given Digit SumVideo
Solution61.6%Easy
Greedy, Math
4002. Count Valid SequencesVideo
Solution42.5%Medium
Combinatorics, Math
4010. Maximize Pair Strength Using GCDVideo
Solution48.6%Easy
Array, Enumeration +2
4021. Minimum Operations to Make a Rotated Palindrome IVideo
Solution63.9%Medium
Enumeration, Math +1
4022. K-th Digit in Infinite StringVideo
Solution35.1%Medium
Binary Search, Math
4032. Longest Subarray With at Most K Distinct Prime FactorsVideo
Solution56.5%Medium
Array, Hash Table +3
4034. Minimum Bishop Moves to Reach TargetVideo
Solution65.4%Medium
Array, Math
4035. Maximum Valid Split Positions IVideo
Solution51.8%Medium
Array, Enumeration +2
4037. Maximum Valid Split Positions IIVideo
Solution32.2%Hard
Array, Enumeration +2
4039. Sum of Decoded NumbersVideo
Solution44.8%Medium
Array, Math +1
4050. Minimum Days to Score Exactly N PointsVideo
Solution42.2%Medium
Dynamic Programming, Math
4061. Minimum Queen Moves to Reach TargetVideo
Solution56.7%Easy
Array, Math
Showing 651–682 of 682