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Problems

691 problems

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Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

691 results

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TitleSolutionAcceptDifficultyTopics
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
3178. Find the Child Who Has the Ball After K SecondsVideo
Solution62.3%Easy
Math, Simulation· 1 company
3179. Find the N-th Value After K SecondsVideo
Solution54.0%Medium
Array, Combinatorics +3· 1 company
3190. Find Minimum Operations to Make All Elements Divisible by ThreeVideo
Solution90.9%Easy
Array, Math· 3 companies
3222. Find the Winning Player in Coin GameVideo
Solution53.9%Easy
Game Theory, Math +1· 1 company
3227. Vowels Game in a StringVideo
Solution77.1%Medium
Brainteaser, Game Theory +2· 3 companies
3232. Find if Digit Game Can Be WonVideo
Solution81.5%Easy
Array, Math
3233. Find the Count of Numbers Which Are Not SpecialVideo
Solution28.3%Medium
Array, Math +1· 1 company
3235. Check if the Rectangle Corner Is ReachableVideo
Solution24.4%Hard
Array, Breadth-First Search +4· 2 companies
3247. Number of Subsequences with Odd SumVideoPremium
Solution47.6%Medium
Array, Combinatorics +2
3250. Find the Count of Monotonic Pairs IVideo
Solution47.6%Hard
Array, Combinatorics +3· 2 companies
3251. Find the Count of Monotonic Pairs IIVideo
Solution24.7%Hard
Array, Combinatorics +3· 1 company
3260. Find the Largest Palindrome Divisible by KVideo
Solution17.0%Hard
Dynamic Programming, Greedy +3· 2 companies
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
3272. Find the Count of Good IntegersVideo
Solution69.5%Hard
Combinatorics, Enumeration +2· 2 companies
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
3283. Maximum Number of Moves to Kill All PawnsVideo
Solution33.7%Hard
Array, Bit Manipulation +4· 1 company
3289. The Two Sneaky Numbers of DigitvilleVideo
Solution89.9%Easy
Array, Hash Table +1· 4 companies
3296. Minimum Number of Seconds to Make Mountain Height ZeroVideo
Solution58.4%Medium
Array, Binary Search +3· 3 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
3307. Find the K-th Character in String Game IIVideo
Solution48.5%Hard
Bit Manipulation, Math +1· 3 companies
3312. Sorted GCD Pair QueriesVideo
Solution58.4%Hard
Array, Binary Search +6· 1 company
3317. Find the Number of Possible Ways for an EventVideo
Solution34.8%Hard
Combinatorics, Dynamic Programming +1· 1 company
3326. Minimum Division Operations to Make Array Non DecreasingVideo
Solution29.1%Medium
Array, Greedy +2· 2 companies
3334. Find the Maximum Factor Score of ArrayVideo
Solution41.0%Medium
Array, Math +1· 1 company
3335. Total Characters in String After Transformations IVideo
Solution45.7%Medium
Counting, Dynamic Programming +3· 4 companies
3336. Find the Number of Subsequences With Equal GCDVideo
Solution66.7%Hard
Array, Dynamic Programming +2· 2 companies
3337. Total Characters in String After Transformations IIVideo
Solution58.0%Hard
Counting, Dynamic Programming +3· 2 companies
3343. Count Number of Balanced PermutationsVideo
Solution49.1%Hard
Combinatorics, Dynamic Programming +2· 2 companies
3345. Smallest Divisible Digit Product IVideo
Solution73.1%Easy
Enumeration, Math· 1 company
3348. Smallest Divisible Digit Product IIVideo
Solution45.3%Hard
Backtracking, Greedy +3· 3 companies
3352. Count K-Reducible Numbers Less Than NVideo
Solution27.8%Hard
Combinatorics, Dynamic Programming +2· 1 company
3360. Stone Removal GameVideo
Solution43.0%Easy
Math, Simulation
3370. Smallest Number With All Set BitsVideo
Solution80.4%Easy
Bit Manipulation, Math· 3 companies
3377. Digit Operations to Make Two Integers EqualVideo
Solution31.3%Medium
Graph, Heap (Priority Queue) +3· 2 companies
3378. Count Connected Components in LCM GraphVideo
Solution31.3%Hard
Array, Hash Table +3
3380. Maximum Area Rectangle With Point Constraints IVideo
Solution51.1%Medium
Array, Binary Indexed Tree +5· 2 companies
3382. Maximum Area Rectangle With Point Constraints IIVideo
–24.0%Hard
Array, Binary Indexed Tree +4· 2 companies
3395. Subsequences with a Unique Middle Mode IVideo
–20.7%Hard
Array, Combinatorics +2
3404. Count Special SubsequencesVideo
Solution29.9%Medium
Array, Enumeration +2· 1 company
3405. Count the Number of Arrays with K Matching Adjacent ElementsVideo
Solution58.3%Hard
Combinatorics, Math· 5 companies
3411. Maximum Subarray With Equal ProductsVideo
Solution47.2%Easy
Array, Enumeration +3· 1 company
3416. Subsequences with a Unique Middle Mode IIPremium
–16.3%Hard
Array, Combinatorics +2
3422. Minimum Operations to Make Subarray Elements EqualPremium
Solution46.8%Medium
Array, Hash Table +3
3426. Manhattan Distances of All Arrangements of PiecesVideo
–33.5%Hard
Combinatorics, Math· 3 companies
Showing 501–550 of 691