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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
3173. Bitwise OR of Adjacent ElementsVideoPremium
Solution94.8%Easy
Array, Bit Manipulation· 1 company
3174. Clear DigitsVideo
Solution82.7%Easy
Simulation, Stack +1· 5 companies
3178. Find the Child Who Has the Ball After K SecondsVideo
Solution62.3%Easy
Math, Simulation· 1 company
3184. Count Pairs That Form a Complete Day IVideo
Solution78.0%Easy
Array, Counting +1· 1 company
3190. Find Minimum Operations to Make All Elements Divisible by ThreeVideo
Solution90.9%Easy
Array, Math· 3 companies
3194. Minimum Average of Smallest and Largest ElementsVideo
Solution85.4%Easy
Array, Sorting +1· 2 companies
3198. Find Cities in Each StateVideoPremium
Solution79.4%Easy
Database
3199. Count Triplets with Even XOR Set Bits IVideoPremium
Solution83.3%Easy
Array, Bit Manipulation· 1 company
3200. Maximum Height of a TriangleVideo
Solution44.8%Easy
Array, Enumeration· 1 company
3206. Alternating Groups IVideo
Solution69.5%Easy
Array, Sliding Window· 3 companies
3210. Find the Encrypted StringVideo
Solution67.9%Easy
String
3216. Lexicographically Smallest String After a SwapVideo
Solution54.6%Easy
Greedy, String· 1 company
3222. Find the Winning Player in Coin GameVideo
Solution53.9%Easy
Game Theory, Math +1· 1 company
3226. Number of Bit Changes to Make Two Integers EqualVideo
Solution63.4%Easy
Bit Manipulation· 1 company
3232. Find if Digit Game Can Be WonVideo
Solution81.5%Easy
Array, Math
3238. Find the Number of Winning PlayersVideo
Solution60.5%Easy
Array, Counting +1· 1 company
3242. Design Neighbor Sum ServiceVideo
Solution76.4%Easy
Array, Design +3
3246. Premier League Table RankingVideoPremium
Solution78.3%Easy
Database
3248. Snake in MatrixVideo
Solution81.8%Easy
Array, Simulation +1· 1 company
3258. Count Substrings That Satisfy K-Constraint IVideo
Solution78.9%Easy
Sliding Window, String· 1 company
3263. Convert Doubly Linked List to Array IVideoPremium
Solution95.0%Easy
Array, Doubly-Linked List +1
3264. Final Array State After K Multiplication Operations IVideo
Solution86.9%Easy
Array, Heap (Priority Queue) +2· 4 companies
3270. Find the Key of the NumbersVideo
Solution76.1%Easy
Math· 1 company
3274. Check if Two Chessboard Squares Have the Same ColorVideo
Solution72.3%Easy
Math, String· 3 companies
3280. Convert Date to BinaryVideo
Solution88.8%Easy
Math, String· 1 company
3285. Find Indices of Stable MountainsVideo
Solution86.5%Easy
Array· 1 company
3289. The Two Sneaky Numbers of DigitvilleVideo
Solution89.9%Easy
Array, Hash Table +1· 4 companies
3300. Minimum Element After Replacement With Digit SumVideo
Solution89.6%Easy
Array, Math· 3 companies
3304. Find the K-th Character in String Game IVideo
Solution81.6%Easy
Bit Manipulation, Math +2· 5 companies
3314. Construct the Minimum Bitwise Array IVideo
Solution85.3%Easy
Array, Bit Manipulation· 5 companies
3318. Find X-Sum of All K-Long Subarrays IVideo
Solution76.1%Easy
Array, Hash Table +2· 5 companies
3330. Find the Original Typed String IVideo
Solution72.1%Easy
String· 7 companies
3340. Check Balanced StringVideo
Solution82.3%Easy
String· 1 company
3345. Smallest Divisible Digit Product IVideo
Solution73.1%Easy
Enumeration, Math· 1 company
3349. Adjacent Increasing Subarrays Detection IVideo
Solution48.0%Easy
Array· 4 companies
3353. Minimum Total OperationsVideoPremium
Solution63.8%Easy
Array
3354. Make Array Elements Equal to ZeroVideo
Solution68.3%Easy
Array, Prefix Sum +1· 5 companies
3358. Books with NULL RatingsVideoPremium
Solution81.8%Easy
Database
3360. Stone Removal GameVideo
Solution43.0%Easy
Math, Simulation
3364. Minimum Positive Sum Subarray Video
Solution45.6%Easy
Array, Prefix Sum +1
3370. Smallest Number With All Set BitsVideo
Solution80.4%Easy
Bit Manipulation, Math· 3 companies
3375. Minimum Operations to Make Array Values Equal to KVideo
Solution73.3%Easy
Array, Hash Table· 4 companies
3379. Transformed ArrayVideo
Solution70.5%Easy
Array, Simulation· 4 companies
3386. Button with Longest Push TimeVideo
Solution41.0%Easy
Array· 2 companies
3392. Count Subarrays of Length Three With a ConditionVideo
Solution61.5%Easy
Array· 5 companies
3396. Minimum Number of Operations to Make Elements in Array DistinctVideo
Solution71.3%Easy
Array, Hash Table· 5 companies
3402. Minimum Operations to Make Columns Strictly IncreasingVideo
Solution71.9%Easy
Array, Greedy +1· 1 company
3407. Substring Matching PatternVideo
Solution29.1%Easy
String, String Matching· 1 company
3411. Maximum Subarray With Equal ProductsVideo
Solution47.2%Easy
Array, Enumeration +3· 1 company
3415. Find Products with Three Consecutive Digits Premium
Solution80.0%Easy
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