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4,005 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

With video · 4,005 results

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TitleSolutionAcceptDifficultyTopics

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

3123. Find Edges in Shortest PathsVideo

Solution47.0%Hard

Breadth-First Search, Depth-First Search +3· 2 companies

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

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

3129. Find All Possible Stable Binary Arrays IVideo

Solution53.8%Medium

Dynamic Programming, Prefix Sum· 3 companies

3130. Find All Possible Stable Binary Arrays IIVideo

Solution58.4%Hard

Dynamic Programming, Prefix Sum· 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

3133. Minimum Array EndVideo

Solution55.5%Medium

Bit Manipulation· 4 companies

3134. Find the Median of the Uniqueness ArrayVideo

Solution30.0%Hard

Array, Binary Search +2· 2 companies

3135. Equalize Strings by Adding or Removing Characters at EndsVideoPremium

Solution56.8%Medium

Binary Search, Dynamic Programming +3· 1 company

3136. Valid WordVideo

Solution50.9%Easy

String· 8 companies

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

3139. Minimum Cost to Equalize ArrayVideo

Solution18.8%Hard

Array, Enumeration +1· 1 company

3140. Consecutive Available Seats IIVideoPremium

Solution55.8%Medium

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

3144. Minimum Substring Partition of Equal Character FrequencyVideo

Solution40.5%Medium

Counting, Dynamic Programming +2· 4 companies

3145. Find Products of Elements of Big ArrayVideo

Solution25.0%Hard

Array, Binary Search +1· 1 company

3146. Permutation Difference between Two StringsVideo

Solution87.9%Easy

Hash Table, String· 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

3150. Invalid Tweets IIVideoPremium

Solution85.0%Easy

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

3154. Find Number of Ways to Reach the K-th StairVideo

Solution38.2%Hard

Bit Manipulation, Combinatorics +3· 1 company

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

3158. Find the XOR of Numbers Which Appear TwiceVideo

Solution78.9%Easy

Array, Bit Manipulation +1· 2 companies

3159. Find Occurrences of an Element in an ArrayVideo

Solution73.6%Medium

Array, Hash Table· 3 companies

3160. Find the Number of Distinct Colors Among the BallsVideo

Solution54.2%Medium

Array, Hash Table +1· 3 companies

3161. Block Placement QueriesVideo

Solution41.0%Hard

Array, Binary Indexed Tree +2· 10 companies

3162. Find the Number of Good Pairs IVideo

Solution86.4%Easy

Array, Hash Table· 1 company

3163. String Compression IIIVideo

Solution67.0%Medium

String· 7 companies

3164. Find the Number of Good Pairs IIVideo

Solution26.6%Medium

Array, Hash Table· 2 companies

3165. Maximum Sum of Subsequence With Non-adjacent ElementsVideo

Solution15.7%Hard

Array, Divide and Conquer +2· 2 companies

3166. Calculate Parking Fees and DurationVideoPremium

Solution53.0%Medium

3167. Better Compression of StringVideoPremium

Solution75.3%Medium

Counting, Hash Table +2· 2 companies

3168. Minimum Number of Chairs in a Waiting RoomVideo

Solution79.3%Easy

Simulation, String· 3 companies

3169. Count Days Without MeetingsVideo

Solution48.1%Medium

Array, Sorting· 4 companies

3170. Lexicographically Minimum String After Removing StarsVideo

Solution51.0%Medium

Greedy, Hash Table +3· 7 companies

3171. Find Subarray With Bitwise OR Closest to KVideo

Solution31.5%Hard

Array, Binary Search +2· 1 company

Showing 3,101–3,150 of 4,005