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2,209 problems

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Array2,209 String870 Hash Table786 Math682 Dynamic Programming666 Sorting504 Greedy480 Binary Search352 Depth-First Search335 Database303 Bit Manipulation283 Matrix278 Tree261 Breadth-First Search255 Two Pointers249 All topics

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TitleSolutionAcceptDifficultyTopics

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

3072. Distribute Elements Into Two Arrays IIVideo

Solution32.1%Hard

Array, Binary Indexed Tree +2· 2 companies

3073. Maximum Increasing Triplet ValueVideoPremium

Solution35.7%Medium

Array, Ordered Set· 1 company

3074. Apple Redistribution into BoxesVideo

Solution78.5%Easy

Array, Greedy +1· 3 companies

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

3077. Maximum Strength of K Disjoint SubarraysVideo

Solution28.2%Hard

Array, Dynamic Programming +1· 2 companies

3078. Match Alphanumerical Pattern in Matrix IVideoPremium

Solution64.6%Medium

Array, Hash Table +2· 2 companies

3079. Find the Sum of Encrypted IntegersVideo

Solution74.7%Easy

Array, Math· 1 company

3080. Mark Elements on Array by Performing QueriesVideo

Solution49.1%Medium

Array, Hash Table +3· 2 companies

3082. Find the Sum of the Power of All SubsequencesVideo

Solution38.7%Hard

Array, Dynamic Programming· 2 companies

3086. Minimum Moves to Pick K OnesVideo

Solution21.6%Hard

Array, Greedy +2· 1 company

3092. Most Frequent IDsVideo

Solution43.0%Medium

Array, Hash Table +2· 2 companies

3093. Longest Common Suffix QueriesVideo

Solution52.8%Hard

Array, String +1· 2 companies

3095. Shortest Subarray With OR at Least K IVideo

Solution44.9%Easy

Array, Bit Manipulation +1· 1 company

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

3098. Find the Sum of Subsequence PowersVideo

Solution25.1%Hard

Array, Dynamic Programming +1· 1 company

3101. Count Alternating SubarraysVideo

Solution57.6%Medium

Array, Math· 1 company

3102. Minimize Manhattan DistancesVideo

Solution32.9%Hard

Array, Geometry +3

3105. Longest Strictly Increasing or Strictly Decreasing SubarrayVideo

Solution64.9%Easy

Array· 7 companies

3107. Minimum Operations to Make Median of Array Equal to KVideo

Solution47.7%Medium

Array, Greedy +1· 1 company

3108. Minimum Cost Walk in Weighted GraphVideo

Solution68.3%Hard

Array, Bit Manipulation +2· 6 companies

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

3113. Find the Number of Subarrays Where Boundary Elements Are MaximumVideo

Solution34.2%Hard

Array, Binary Search +2· 2 companies

3115. Maximum Prime DifferenceVideo

Solution59.3%Medium

Array, Math +1· 1 company

3116. Kth Smallest Amount With Single Denomination CombinationVideo

Solution50.3%Hard

Array, Binary Search +4

3117. Minimum Sum of Values by Dividing ArrayVideo

Solution28.5%Hard

Array, Binary Search +4· 1 company

3122. Minimum Number of Operations to Satisfy ConditionsVideo

Solution42.4%Medium

Array, Dynamic Programming +1· 1 company

3127. Make a Square with the Same ColorVideo

Solution53.0%Easy

Array, Enumeration +1

3128. Right TrianglesVideo

Solution48.5%Medium

Array, Combinatorics +3· 2 companies

3131. Find the Integer Added to Array IVideo

Solution82.9%Easy

Array· 1 company

3132. Find the Integer Added to Array IIVideo

Solution32.9%Medium

Array, Enumeration +2· 1 company

3134. Find the Median of the Uniqueness ArrayVideo

Solution30.0%Hard

Array, Binary Search +2· 2 companies

3139. Minimum Cost to Equalize ArrayVideo

Solution18.8%Hard

Array, Enumeration +1· 1 company

3141. Maximum Hamming DistancesVideoPremium

Solution50.0%Hard

Array, Bit Manipulation +1

3142. Check if Grid Satisfies ConditionsVideo

Solution45.7%Easy

3143. Maximum Points Inside the SquareVideo

Solution39.9%Medium

Array, Binary Search +3· 1 company

3145. Find Products of Elements of Big ArrayVideo

Solution25.0%Hard

Array, Binary Search +1· 1 company

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

3149. Find the Minimum Cost Array PermutationVideo

Solution26.1%Hard

Array, Bit Manipulation +2· 1 company

3151. Special Array IVideo

Solution81.6%Easy

Array· 6 companies

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

3158. Find the XOR of Numbers Which Appear TwiceVideo

Solution78.9%Easy

Array, Bit Manipulation +1· 2 companies

Showing 1,601–1,650 of 2,209