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2,093 problems

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Array1,196 Hash Table465 String434 Greedy327 Math327 Dynamic Programming324 Sorting300 Depth-First Search208 Binary Search187 Breadth-First Search165 Matrix163 Tree157 Prefix Sum153 Two Pointers148 Database135 All topics

Medium · With video · 2,093 results

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TitleSolutionAcceptDifficultyTopics

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

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

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

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

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

3138. Minimum Length of Anagram ConcatenationVideo

Solution39.8%Medium

Counting, Hash Table +1· 2 companies

3140. Consecutive Available Seats IIVideoPremium

Solution55.8%Medium

3143. Maximum Points Inside the SquareVideo

Solution39.9%Medium

Array, Binary Search +3· 1 company

3144. Minimum Substring Partition of Equal Character FrequencyVideo

Solution40.5%Medium

Counting, Dynamic Programming +2· 4 companies

3147. Taking Maximum Energy From the Mystic DungeonVideo

Solution61.0%Medium

Array, Prefix Sum· 5 companies

3148. Maximum Difference Score in a GridVideo

Solution48.4%Medium

Array, Dynamic Programming +1· 1 company

3152. Special Array IIVideo

Solution45.8%Medium

Array, Binary Search +1· 4 companies

3153. Sum of Digit Differences of All PairsVideo

Solution43.3%Medium

Array, Counting +2· 2 companies

3155. Maximum Number of Upgradable ServersVideoPremium

Solution43.8%Medium

Array, Binary Search +1· 1 company

3157. Find the Level of Tree with Minimum SumVideoPremium

Solution69.6%Medium

Binary Tree, Breadth-First Search +2· 1 company

3159. Find Occurrences of an Element in an ArrayVideo

Solution73.6%Medium

Array, Hash Table· 3 companies

Showing 1,601–1,650 of 2,093