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Problems

970 problems

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Array447String248Hash Table189Math173Database113Sorting100Simulation93Two Pointers70Counting69Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · With video · 970 results

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TitleSolutionAcceptDifficultyTopics
3701. Compute Alternating SumVideo
Solution89.8%Easy
Array, Simulation
3707. Equal Score SubstringsVideo
Solution56.7%Easy
Prefix Sum, String
3712. Sum of Elements With Frequency Divisible by KVideo
Solution77.7%Easy
Array, Counting +1
3718. Smallest Missing Multiple of KVideo
Solution71.5%Easy
Array, Hash Table
3726. Remove Zeros in Decimal RepresentationVideo
Solution75.7%Easy
Math, Simulation
3731. Find Missing ElementsVideo
Solution88.6%Easy
Array, Hash Table +1· 2 companies
3736. Minimum Moves to Equal Array Elements IIIVideo
Solution81.0%Easy
Array, Math· 1 company
3740. Minimum Distance Between Three Equal Elements IVideo
Solution73.4%Easy
Array, Hash Table· 2 companies
3745. Maximize Expression of Three ElementsVideo
Solution72.3%Easy
Array, Enumeration +2
3750. Minimum Number of Flips to Reverse Binary StringVideo
Solution75.5%Easy
Bit Manipulation, Math +2
3754. Concatenate Non-Zero Digits and Multiply by Sum IVideo
Solution66.2%Easy
Math· 3 companies
3769. Sort Integers by Binary ReflectionVideo
Solution60.2%Easy
Array, Sorting
3774. Absolute Difference Between Maximum and Minimum K ElementsVideo
Solution74.8%Easy
Array, Sorting
3783. Mirror Distance of an IntegerVideo
Solution91.5%Easy
Math· 2 companies
3793. Find Users with High Token UsageVideo
Solution58.8%Easy
–
3794. Reverse String PrefixVideo
Solution88.5%Easy
String, Two Pointers· 1 company
3798. Largest Even NumberVideo
Solution68.5%Easy
String
3803. Count Residue PrefixesVideo
Solution65.2%Easy
Hash Table, String· 2 companies
3813. Vowel-Consonant ScoreVideo
Solution53.3%Easy
Simulation, String
3823. Reverse Letters Then Special Characters in a StringVideo
Solution81.5%Easy
Simulation, String +1
3827. Count Monobit IntegersVideo
Solution66.0%Easy
Bit Manipulation, Enumeration· 1 company
3833. Count Dominant IndicesVideo
Solution65.8%Easy
Array, Enumeration
3838. Weighted Word MappingVideo
Solution90.7%Easy
Array, Simulation +1· 2 companies
3842. Toggle Light BulbsVideo
Solution71.2%Easy
Array, Hash Table +2· 1 company
3852. Smallest Pair With Different FrequenciesVideo
Solution68.5%Easy
Array, Counting +1· 1 company
3856. Trim Trailing VowelsVideo
Solution77.2%Easy
String
3861. Minimum Capacity BoxVideo
Solution72.8%Easy
Array
3866. First Unique Even ElementVideo
Solution65.6%Easy
Array, Counting +1
3870. Count Commas in RangeVideo
Solution78.0%Easy
Math
3875. Construct Uniform Parity Array IVideo
Solution85.8%Easy
Array, Math· 2 companies
3880. Minimum Absolute Difference Between Two ValuesVideo
Solution66.2%Easy
Array, Enumeration· 1 company
3884. First Matching Character From Both EndsVideo
Solution81.5%Easy
String, Two Pointers
3894. Traffic Signal ColorVideo
Solution82.7%Easy
Math, Simulation +1· 1 company
3898. Find the Degree of Each VertexVideo
Solution91.8%Easy
Array, Graph +1
3903. Smallest Stable Index IVideo
Solution76.5%Easy
Array
3908. Valid Digit NumberVideo
Solution69.8%Easy
Math
3912. Valid Elements in an ArrayVideo
Solution56.7%Easy
Array
3917. Count Indices With Opposite ParityVideo
Solution80.5%Easy
Array
3921. Score ValidatorVideo
Solution72.5%Easy
Array, Simulation +1
3925. Concatenate Array With ReverseVideo
Solution91.1%Easy
Array, Simulation
3931. Check Adjacent Digit DifferencesVideo
Solution77.1%Easy
String
3936. Minimum Swaps to Move Zeros to EndVideo
Solution59.7%Easy
Array, Two Pointers
3940. Limit Occurrences in Sorted ArrayVideo
Solution72.6%Easy
Array, Two Pointers
3945. Digit Frequency ScoreVideo
Solution90.7%Easy
Hash Table, Math
3950. Exactly One Consecutive Set Bits PairVideo
Solution50.4%Easy
Bit Manipulation
3954. Sum of Compatible Numbers in Range IVideo
Solution58.4%Easy
Bit Manipulation, Dynamic Programming +1
3959. Check Good IntegerVideo
Solution82.6%Easy
Math, Simulation
3963. Create Grid With Exactly One PathVideo
Solution75.9%Easy
–
3978. Unique Middle ElementVideo
Solution72.3%Easy
Array, Counting
3982. Sum of Integers with Maximum Digit RangeVideo
Solution72.9%Easy
Array, Math
Showing 901–950 of 970