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Problems

2,133 problems

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Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 2,133 results

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TitleSolutionAcceptDifficultyTopics
3043. Find the Length of the Longest Common PrefixVideo
Solution62.1%Medium
Array, Hash Table +2· 17 companies
3044. Most Frequent PrimeVideo
Solution45.5%Medium
Array, Counting +5· 1 company
3047. Find the Largest Area of Square Inside Two RectanglesVideo
Solution66.9%Medium
Array, Geometry +1· 5 companies
3048. Earliest Second to Mark Indices IVideo
Solution37.3%Medium
Array, Binary Search· 1 company
3050. Pizza Toppings Cost AnalysisVideoPremium
Solution69.2%Medium
Database· 1 company
3054. Binary Tree NodesVideoPremium
Solution78.0%Medium
Database· 1 company
3055. Top Percentile FraudVideoPremium
Solution57.4%Medium
Database
3056. Snaps AnalysisVideoPremium
Solution58.8%Medium
Database
3058. Friends With No Mutual FriendsVideoPremium
Solution49.4%Medium
Database
3064. Guess the Number Using Bitwise Questions IVideoPremium
Solution89.0%Medium
Bit Manipulation, Interactive
3066. Minimum Operations to Exceed Threshold Value IIVideo
Solution45.8%Medium
Array, Heap (Priority Queue) +1· 4 companies
3067. Count Pairs of Connectable Servers in a Weighted Tree NetworkVideo
Solution55.6%Medium
Array, Depth-First Search +1· 2 companies
3070. Count Submatrices with Top-Left Element and Sum Less Than kVideo
Solution74.8%Medium
Array, Matrix +1· 2 companies
3071. Minimum Operations to Write the Letter Y on a GridVideo
Solution63.9%Medium
Array, Counting +2· 7 companies
3073. Maximum Increasing Triplet ValueVideoPremium
Solution35.7%Medium
Array, Ordered Set· 1 company
3075. Maximize Happiness of Selected ChildrenVideo
Solution58.7%Medium
Array, Greedy +1· 3 companies
3076. Shortest Uncommon Substring in an ArrayVideo
Solution50.8%Medium
Array, Hash Table +2· 3 companies
3078. Match Alphanumerical Pattern in Matrix IVideoPremium
Solution64.6%Medium
Array, Hash Table +2· 2 companies
3080. Mark Elements on Array by Performing QueriesVideo
Solution49.1%Medium
Array, Hash Table +3· 2 companies
3081. Replace Question Marks in String to Minimize Its ValueVideo
Solution29.6%Medium
Counting, Greedy +4· 1 company
3084. Count Substrings Starting and Ending with Given CharacterVideo
Solution50.5%Medium
Counting, Math +1
3085. Minimum Deletions to Make String K-SpecialVideo
Solution67.2%Medium
Counting, Greedy +3· 3 companies
3087. Find Trending HashtagsVideoPremium
Solution62.0%Medium
Database
3089. Find Bursty BehaviorPremium
Solution38.1%Medium
Database
3091. Apply Operations to Make Sum of Array Greater Than or Equal to kVideo
Solution44.2%Medium
Enumeration, Greedy +1· 2 companies
3092. Most Frequent IDsVideo
Solution43.0%Medium
Array, Hash Table +2· 2 companies
3094. Guess the Number Using Bitwise Questions IIVideoPremium
Solution81.8%Medium
Bit Manipulation, Interactive
3096. Minimum Levels to Gain More PointsVideo
Solution40.4%Medium
Array, Prefix Sum· 1 company
3097. Shortest Subarray With OR at Least K IIVideo
Solution50.5%Medium
Array, Bit Manipulation +1· 4 companies
3100. Water Bottles IIVideo
Solution78.2%Medium
Math, Simulation· 3 companies
3101. Count Alternating SubarraysVideo
Solution57.6%Medium
Array, Math· 1 company
3106. Lexicographically Smallest String After Operations With ConstraintVideo
Solution62.3%Medium
Greedy, String· 1 company
3107. Minimum Operations to Make Median of Array Equal to KVideo
Solution47.7%Medium
Array, Greedy +1· 1 company
3109. Find the Index of PermutationVideoPremium
Solution37.1%Medium
Array, Binary Indexed Tree +5
3111. Minimum Rectangles to Cover PointsVideo
Solution63.2%Medium
Array, Greedy +1· 1 company
3112. Minimum Time to Visit Disappearing NodesVideo
Solution38.2%Medium
Array, Graph +2
3115. Maximum Prime DifferenceVideo
Solution59.3%Medium
Array, Math +1· 1 company
3118. Friday Purchase III VideoPremium
Solution55.4%Medium
Database
3119. Maximum Number of Potholes That Can Be FixedVideoPremium
Solution53.3%Medium
Greedy, Sorting +1· 2 companies
3121. Count the Number of Special Characters IIVideo
Solution60.3%Medium
Hash Table, String· 3 companies
3122. Minimum Number of Operations to Satisfy ConditionsVideo
Solution42.4%Medium
Array, Dynamic Programming +1· 1 company
3124. Find Longest CallsVideoPremium
Solution63.9%Medium
Database
3125. Maximum Number That Makes Result of Bitwise AND ZeroVideoPremium
Solution70.0%Medium
Greedy, Sorting +1· 1 company
3126. Server Utilization TimeVideoPremium
Solution61.0%Medium
Database
3128. Right TrianglesVideo
Solution48.5%Medium
Array, Combinatorics +3· 2 companies
3129. Find All Possible Stable Binary Arrays IVideo
Solution53.8%Medium
Dynamic Programming, Prefix Sum· 3 companies
3132. Find the Integer Added to Array IIVideo
Solution32.9%Medium
Array, Enumeration +2· 1 company
3133. Minimum Array EndVideo
Solution55.5%Medium
Bit Manipulation· 4 companies
3135. Equalize Strings by Adding or Removing Characters at EndsVideoPremium
Solution56.8%Medium
Binary Search, Dynamic Programming +3· 1 company
3137. Minimum Number of Operations to Make Word K-PeriodicVideo
Solution59.9%Medium
Counting, Hash Table +1· 2 companies
Showing 1,601–1,650 of 2,133