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HomeLeetCode ProblemsEnumeration

Enumeration Problems

118 Enumeration LeetCode problems · Solve with AI-powered hints & step-by-step explanations.

204Count PrimesMedium479Largest Palindrome ProductHard816Ambiguous CoordinatesMedium829Consecutive Numbers SumHard845Longest Mountain in ArrayMedium869Reordered Power of 2Medium906Super PalindromesHard949Largest Time for Given DigitsMedium970Powerful IntegersMedium1291Sequential DigitsMedium1534Count Good TripletsEasy1566Detect Pattern of Length M Repeated K or More TimesEasy1601Maximum Number of Achievable Transfer RequestsHard1617Count Subtrees With Max Distance Between CitiesHard1620Coordinate With Maximum Network QualityMedium1625Lexicographically Smallest String After Applying OperationsMedium1638Count Substrings That Differ by One CharacterMedium1761Minimum Degree of a Connected Trio in a GraphHard1849Splitting a String Into Descending Consecutive ValuesMedium1863Sum of All Subset XOR TotalsEasy1925Count Square Sum TriplesEasy1952Three DivisorsEasy1958Check if Move is LegalMedium1995Count Special QuadrupletsEasy2014Longest Subsequence Repeated k TimesHard2018Check if Word Can Be Placed In CrosswordMedium2025Maximum Number of Ways to Partition an ArrayHard2044Count Number of Maximum Bitwise-OR SubsetsMedium2048Next Greater Numerically Balanced NumberMedium2081Sum of k-Mirror NumbersHard2094Finding 3-Digit Even NumbersEasy2122Recover the Original ArrayHard2151Maximum Good People Based on StatementsHard2162Minimum Cost to Set Cooking TimeMedium2171Removing Minimum Number of Magic BeansMedium2212Maximum Points in an Archery CompetitionMedium2232Minimize Result by Adding Parentheses to ExpressionMedium2234Maximum Total Beauty of the GardensHard2240Number of Ways to Buy Pens and PencilsMedium2242Maximum Score of a Node SequenceHard2249Count Lattice Points Inside a CircleMedium2259Remove Digit From Number to Maximize ResultEasy2261K Divisible Elements SubarraysMedium2306Naming a CompanyHard2309Greatest English Letter in Upper and Lower CaseEasy2310Sum of Numbers With Units Digit KMedium2367Number of Arithmetic TripletsEasy2397Maximum Rows Covered by ColumnsMedium2427Number of Common FactorsEasy2437Number of Valid Clock TimesEasy2440Create Components With Same ValueHard2443Sum of Number and Its ReverseMedium2468Split Message Based on LimitHard2552Count Increasing QuadrupletsHard2605Form Smallest Number From Two Digit ArraysEasy2708Maximum Strength of a GroupMedium2735Collecting ChocolatesMedium2749Minimum Operations to Make the Integer ZeroMedium2761Prime Pairs With Target SumMedium2765Longest Alternating SubarrayEasy2768Number of Black BlocksMedium2778Sum of Squares of Special Elements Easy2800Shortest String That Contains Three StringsMedium2843 Count Symmetric IntegersEasy2844Minimum Operations to Make a Special NumberMedium2860Happy StudentsMedium2928Distribute Candies Among Children IEasy2929Distribute Candies Among Children IIMedium2934Minimum Operations to Maximize Last Elements in ArraysMedium2947Count Beautiful Substrings IMedium2951Find the PeaksEasy2959Number of Possible Sets of Closing BranchesHard2970Count the Number of Incremovable Subarrays IEasy2975Maximum Square Area by Removing Fences From a FieldMedium3001Minimum Moves to Capture The QueenMedium3010Divide an Array Into Subarrays With Minimum Cost IEasy3020Find the Maximum Number of Elements in SubsetMedium3025Find the Number of Ways to Place People IMedium3027Find the Number of Ways to Place People IIHard3044Most Frequent PrimeMedium3091Apply Operations to Make Sum of Array Greater Than or Equal to kMedium3114Latest Time You Can Obtain After Replacing CharactersEasy3127Make a Square with the Same ColorEasy3132Find the Integer Added to Array IIMedium3139Minimum Cost to Equalize ArrayHard3197Find the Minimum Area to Cover All Ones IIHard3200Maximum Height of a TriangleEasy3234Count the Number of Substrings With Dominant OnesMedium3256Maximum Value Sum by Placing Three Rooks IHard3257Maximum Value Sum by Placing Three Rooks IIHard3265Count Almost Equal Pairs IMedium3267Count Almost Equal Pairs IIHard3272Find the Count of Good IntegersHard3309Maximum Possible Number by Binary ConcatenationMedium3345Smallest Divisible Digit Product IEasy3371Identify the Largest Outlier in an ArrayMedium3380Maximum Area Rectangle With Point Constraints IMedium3389Minimum Operations to Make Character Frequencies EqualHard3398Smallest Substring With Identical Characters IHard3403Find the Lexicographically Largest String From the Box IMedium3404Count Special SubsequencesMedium3411Maximum Subarray With Equal ProductsEasy3434Maximum Frequency After Subarray OperationMedium3435Frequencies of Shortest SupersequencesHard3440Reschedule Meetings for Maximum Free Time IIMedium3445Maximum Difference Between Even and Odd Frequency IIHard3470Permutations IVHard3480Maximize Subarrays After Removing One Conflicting PairHard3483Unique 3-Digit Even NumbersEasy3499Maximize Active Section with Trade IMedium3503Longest Palindrome After Substring Concatenation IMedium3514Number of Unique XOR Triplets IIMedium3546Equal Sum Grid Partition IMedium3548Equal Sum Grid Partition IIHard3566Partition Array into Two Equal Product SubsetsMedium3574Maximize Subarray GCD ScoreHard3588Find Maximum Area of a TriangleMedium3630Partition Array for Maximum XOR and ANDHard
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