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Problems

4,009 problems

Has videoPremium onlyReset
Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 4,009 results

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TitleSolutionAcceptDifficultyTopics
2051. The Category of Each Member in the StoreVideoPremium
Solution70.2%Medium
Database
2052. Minimum Cost to Separate Sentence Into RowsVideoPremium
Solution50.1%Medium
Array, Dynamic Programming· 1 company
2053. Kth Distinct String in an ArrayVideo
Solution82.1%Easy
Array, Counting +2· 2 companies
2054. Two Best Non-Overlapping EventsVideo
Solution64.0%Medium
Array, Binary Search +3· 7 companies
2055. Plates Between CandlesVideo
Solution47.4%Medium
Array, Binary Search +2· 3 companies
2056. Number of Valid Move Combinations On ChessboardVideo
Solution48.7%Hard
Array, Backtracking +2· 2 companies
2057. Smallest Index With Equal ValueVideo
Solution73.8%Easy
Array· 2 companies
2058. Find the Minimum and Maximum Number of Nodes Between Critical PointsVideo
Solution72.9%Medium
Linked List· 6 companies
2059. Minimum Operations to Convert NumberVideo
Solution52.3%Medium
Array, Breadth-First Search· 1 company
2060. Check if an Original String Exists Given Two Encoded StringsVideo
Solution43.6%Hard
Dynamic Programming, String· 2 companies
2061. Number of Spaces Cleaning Robot CleanedVideoPremium
Solution64.3%Medium
Array, Matrix +1· 2 companies
2062. Count Vowel Substrings of a StringVideo
Solution73.6%Easy
Hash Table, String· 12 companies
2063. Vowels of All SubstringsVideo
Solution55.3%Medium
Combinatorics, Dynamic Programming +2· 2 companies
2064. Minimized Maximum of Products Distributed to Any StoreVideo
Solution63.1%Medium
Array, Binary Search +1· 5 companies
2065. Maximum Path Quality of a GraphVideo
Solution63.1%Hard
Array, Backtracking +1· 5 companies
2066. Account BalanceVideoPremium
Solution82.1%Medium
Database
2067. Number of Equal Count SubstringsVideoPremium
Solution45.1%Medium
Counting, Prefix Sum +1· 1 company
2068. Check Whether Two Strings are Almost EquivalentVideo
Solution64.5%Easy
Counting, Hash Table +1· 1 company
2069. Walking Robot Simulation IIVideo
Solution43.2%Medium
Design, Simulation· 2 companies
2070. Most Beautiful Item for Each QueryVideo
Solution62.2%Medium
Array, Binary Search +1· 4 companies
2071. Maximum Number of Tasks You Can AssignVideo
Solution50.1%Hard
Array, Binary Search +4· 5 companies
2072. The Winner UniversityVideoPremium
Solution75.4%Easy
Database· 1 company
2073. Time Needed to Buy TicketsVideo
Solution73.5%Easy
Array, Queue +1· 7 companies
2074. Reverse Nodes in Even Length GroupsVideo
Solution65.6%Medium
Linked List· 8 companies
2075. Decode the Slanted CiphertextVideo
Solution67.3%Medium
Simulation, String· 3 companies
2076. Process Restricted Friend RequestsVideo
Solution61.7%Hard
Graph, Union Find· 2 companies
2077. Paths in Maze That Lead to Same RoomVideoPremium
Solution56.7%Medium
Graph· 1 company
2078. Two Furthest Houses With Different ColorsVideo
Solution71.8%Easy
Array, Greedy· 5 companies
2079. Watering PlantsVideo
Solution79.9%Medium
Array, Simulation· 3 companies
2080. Range Frequency QueriesVideo
Solution44.3%Medium
Array, Binary Search +3· 2 companies
2081. Sum of k-Mirror NumbersVideo
Solution63.7%Hard
Enumeration, Math· 5 companies
2082. The Number of Rich CustomersVideoPremium
Solution77.3%Easy
Database· 1 company
2083. Substrings That Begin and End With the Same LetterVideoPremium
Solution74.1%Medium
Counting, Hash Table +3
2084. Drop Type 1 Orders for Customers With Type 0 OrdersVideoPremium
Solution86.9%Medium
Database
2085. Count Common Words With One OccurrenceVideo
Solution73.9%Easy
Array, Counting +2· 1 company
2086. Minimum Number of Food Buckets to Feed the HamstersVideo
Solution48.1%Medium
Dynamic Programming, Greedy +1· 3 companies
2087. Minimum Cost Homecoming of a Robot in a GridVideo
Solution51.7%Medium
Array, Greedy· 3 companies
2088. Count Fertile Pyramids in a LandVideo
Solution66.5%Hard
Array, Dynamic Programming +1· 1 company
2089. Find Target Indices After Sorting ArrayVideo
Solution82.1%Easy
Array, Binary Search +1· 3 companies
2090. K Radius Subarray AveragesVideo
Solution46.6%Medium
Array, Sliding Window· 4 companies
2091. Removing Minimum and Maximum From ArrayVideo
Solution67.5%Medium
Array, Greedy
2092. Find All People With SecretVideo
Solution48.4%Hard
Breadth-First Search, Depth-First Search +3· 3 companies
2093. Minimum Cost to Reach City With DiscountsVideoPremium
Solution62.4%Medium
Graph, Heap (Priority Queue) +1· 2 companies
2094. Finding 3-Digit Even NumbersVideo
Solution78.8%Easy
Array, Enumeration +2· 5 companies
2095. Delete the Middle Node of a Linked ListVideo
Solution60.4%Medium
Linked List, Two Pointers· 7 companies
2096. Step-By-Step Directions From a Binary Tree Node to AnotherVideo
Solution56.3%Medium
Binary Tree, Depth-First Search +2· 6 companies
2097. Valid Arrangement of PairsVideo
–66.5%Hard
Depth-First Search, Eulerian Circuit +1· 3 companies
2098. Subsequence of Size K With the Largest Even SumVideoPremium
Solution35.5%Medium
Array, Greedy +1· 3 companies
2099. Find Subsequence of Length K With the Largest SumVideo
Solution57.4%Easy
Array, Hash Table +2· 6 companies
2100. Find Good Days to Rob the BankVideo
Solution52.1%Medium
Array, Dynamic Programming +1· 2 companies
Showing 2,051–2,100 of 4,009