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Problems

975 problems

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Array447String249Hash Table190Math173Database113Sorting100Simulation93Counting70Two Pointers70Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · 975 results

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TitleSolutionAcceptDifficultyTopics
2956. Find Common Elements Between Two ArraysVideo
Solution84.5%Easy
Array, Hash Table· 5 companies
2960. Count Tested Devices After Test OperationsVideo
Solution78.8%Easy
Array, Counting +1· 1 company
2965. Find Missing and Repeated ValuesVideo
Solution83.2%Easy
Array, Hash Table +2· 6 companies
2970. Count the Number of Incremovable Subarrays IVideo
Solution56.9%Easy
Array, Binary Search +2· 2 companies
2974. Minimum Number GameVideo
Solution85.5%Easy
Array, Heap (Priority Queue) +2· 6 companies
2980. Check if Bitwise OR Has Trailing ZerosVideo
Solution71.2%Easy
Array, Bit Manipulation· 1 company
2985. Calculate Compressed MeanVideoPremium
Solution85.9%Easy
Database· 1 company
2987. Find Expensive CitiesVideoPremium
Solution77.1%Easy
Database· 1 company
2990. Loan TypesVideoPremium
Solution64.4%Easy
Database· 1 company
2996. Smallest Missing Integer Greater Than Sequential Prefix SumVideo
Solution49.8%Easy
Array, Hash Table +1· 2 companies
3000. Maximum Area of Longest Diagonal RectangleVideo
Solution45.9%Easy
Array· 5 companies
3005. Count Elements With Maximum FrequencyVideo
Solution79.8%Easy
Array, Counting +1· 8 companies
3010. Divide an Array Into Subarrays With Minimum Cost IVideo
Solution80.5%Easy
Array, Enumeration +1· 6 companies
3014. Minimum Number of Pushes to Type Word IVideo
Solution77.1%Easy
Greedy, Math +1· 4 companies
3019. Number of Changing KeysVideo
Solution80.6%Easy
String· 5 companies
3024. Type of TriangleVideo
Solution44.1%Easy
Array, Math +1· 5 companies
3028. Ant on the BoundaryVideo
Solution74.6%Easy
Array, Prefix Sum +1· 3 companies
3032. Count Numbers With Unique Digits IIVideoPremium
Solution87.4%Easy
Dynamic Programming, Hash Table +1· 1 company
3033. Modify the MatrixVideo
Solution69.1%Easy
Array, Matrix· 1 company
3038. Maximum Number of Operations With the Same Score IVideo
Solution52.8%Easy
Array, Simulation· 1 company
3042. Count Prefix and Suffix Pairs IVideo
Solution77.8%Easy
Array, Hash Function +4· 6 companies
3046. Split the ArrayVideo
Solution61.7%Easy
Array, Counting +1· 4 companies
3051. Find Candidates for Data Scientist PositionVideoPremium
Solution75.7%Easy
Database· 1 company
3053. Classifying Triangles by LengthsVideoPremium
Solution51.2%Easy
Database· 1 company
3059. Find All Unique Email DomainsVideoPremium
Solution70.3%Easy
Database
3062. Winner of the Linked List GameVideoPremium
Solution77.6%Easy
Linked List
3063. Linked List FrequencyVideoPremium
Solution85.8%Easy
Counting, Hash Table +1
3065. Minimum Operations to Exceed Threshold Value IVideo
Solution86.7%Easy
Array· 1 company
3069. Distribute Elements Into Two Arrays IVideo
Solution83.4%Easy
Array, Simulation· 2 companies
3074. Apple Redistribution into BoxesVideo
Solution78.5%Easy
Array, Greedy +1· 3 companies
3079. Find the Sum of Encrypted IntegersVideo
Solution74.7%Easy
Array, Math· 1 company
3083. Existence of a Substring in a String and Its ReverseVideo
Solution66.6%Easy
Hash Table, String· 1 company
3090. Maximum Length Substring With Two OccurrencesVideo
Solution77.4%Easy
Hash Table, Sliding Window +1· 2 companies
3095. Shortest Subarray With OR at Least K IVideo
Solution44.9%Easy
Array, Bit Manipulation +1· 1 company
3099. Harshad NumberVideo
Solution83.4%Easy
Math· 1 company
3105. Longest Strictly Increasing or Strictly Decreasing SubarrayVideo
Solution64.9%Easy
Array· 7 companies
3110. Score of a StringVideo
Solution91.4%Easy
String· 5 companies
3114. Latest Time You Can Obtain After Replacing CharactersVideo
Solution35.4%Easy
Enumeration, String· 1 company
3120. Count the Number of Special Characters IVideo
Solution77.2%Easy
Hash Table, String· 3 companies
3127. Make a Square with the Same ColorVideo
Solution53.0%Easy
Array, Enumeration +1
3131. Find the Integer Added to Array IVideo
Solution82.9%Easy
Array· 1 company
3136. Valid WordVideo
Solution50.9%Easy
String· 8 companies
3142. Check if Grid Satisfies ConditionsVideo
Solution45.7%Easy
Array, Matrix
3146. Permutation Difference between Two StringsVideo
Solution87.9%Easy
Hash Table, String· 1 company
3150. Invalid Tweets IIVideoPremium
Solution85.0%Easy
Database
3151. Special Array IVideo
Solution81.6%Easy
Array· 6 companies
3158. Find the XOR of Numbers Which Appear TwiceVideo
Solution78.9%Easy
Array, Bit Manipulation +1· 2 companies
3162. Find the Number of Good Pairs IVideo
Solution86.4%Easy
Array, Hash Table· 1 company
3168. Minimum Number of Chairs in a Waiting RoomVideo
Solution79.3%Easy
Simulation, String· 3 companies
3172. Second Day VerificationVideoPremium
Solution66.7%Easy
Database
Showing 751–800 of 975