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Problems

691 problems

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

691 results

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TitleSolutionAcceptDifficultyTopics
2180. Count Integers With Even Digit SumVideo
Solution71.1%Easy
Math, Simulation· 1 company
2183. Count Array Pairs Divisible by KVideo
Solution30.7%Hard
Array, Math +1· 2 companies
2189. Number of Ways to Build House of CardsPremium
Solution60.2%Medium
Dynamic Programming, Math· 1 company
2195. Append K Integers With Minimal SumVideo
Solution26.9%Medium
Array, Greedy +2· 2 companies
2197. Replace Non-Coprime Numbers in ArrayVideo
Solution57.7%Hard
Array, Math +2· 5 companies
2198. Number of Single Divisor TripletsVideoPremium
Solution53.1%Medium
Math
2217. Find Palindrome With Fixed LengthVideo
Solution38.0%Medium
Array, Math· 1 company
2221. Find Triangular Sum of an ArrayVideo
Solution82.0%Medium
Array, Combinatorics +2· 4 companies
2235. Add Two IntegersVideo
Solution88.0%Easy
Math· 9 companies
2240. Number of Ways to Buy Pens and PencilsVideo
Solution57.2%Medium
Enumeration, Math· 1 company
2249. Count Lattice Points Inside a CircleVideo
Solution57.1%Medium
Array, Enumeration +3· 1 company
2266. Count Number of TextsVideo
Solution50.6%Medium
Dynamic Programming, Hash Table +2· 3 companies
2269. Find the K-Beauty of a NumberVideo
Solution63.8%Easy
Math, Sliding Window +1· 3 companies
2280. Minimum Lines to Represent a Line ChartVideo
Solution27.5%Medium
Array, Geometry +3· 1 company
2310. Sum of Numbers With Units Digit KVideo
Solution28.2%Medium
Dynamic Programming, Enumeration +2
2317. Maximum XOR After Operations Video
Solution79.9%Medium
Array, Bit Manipulation +1· 2 companies
2338. Count the Number of Ideal ArraysVideo
Solution57.0%Hard
Combinatorics, Dynamic Programming +2· 4 companies
2344. Minimum Deletions to Make Array DivisibleVideo
Solution61.8%Hard
Array, Heap (Priority Queue) +3· 3 companies
2348. Number of Zero-Filled SubarraysVideo
Solution70.1%Medium
Array, Math· 4 companies
2358. Maximum Number of Groups Entering a CompetitionVideo
Solution68.5%Medium
Array, Binary Search +2
2364. Count Number of Bad PairsVideo
Solution54.2%Medium
Array, Counting +2· 4 companies
2366. Minimum Replacements to Sort the ArrayVideo
Solution53.4%Hard
Array, Greedy +1· 6 companies
2376. Count Special IntegersVideo
Solution45.2%Hard
Dynamic Programming, Math· 1 company
2393. Count Strictly Increasing SubarraysVideoPremium
Solution70.8%Medium
Array, Dynamic Programming +1· 1 company
2396. Strictly Palindromic NumberVideo
Solution90.3%Medium
Brainteaser, Math +1· 2 companies
2400. Number of Ways to Reach a Position After Exactly k StepsVideo
Solution37.4%Medium
Combinatorics, Dynamic Programming +1· 1 company
2409. Count Days Spent TogetherVideo
Solution66.7%Easy
Math, String
2413. Smallest Even MultipleVideo
Solution88.5%Easy
Math, Number Theory· 4 companies
2417. Closest Fair IntegerVideoPremium
Solution43.7%Medium
Enumeration, Math
2427. Number of Common FactorsVideo
Solution80.6%Easy
Enumeration, Math +1· 3 companies
2436. Minimum Split Into Subarrays With GCD Greater Than OneVideoPremium
Solution70.2%Medium
Array, Dynamic Programming +3
2440. Create Components With Same ValueVideo
Solution54.0%Hard
Array, Depth-First Search +3· 1 company
2442. Count Number of Distinct Integers After Reverse OperationsVideo
Solution81.4%Medium
Array, Counting +2· 1 company
2443. Sum of Number and Its ReverseVideo
Solution50.0%Medium
Enumeration, Math· 1 company
2447. Number of Subarrays With GCD Equal to KVideo
Solution53.9%Medium
Array, Math +1
2450. Number of Distinct Binary Strings After Applying OperationsVideoPremium
Solution63.0%Medium
Math, String· 1 company
2455. Average Value of Even Numbers That Are Divisible by ThreeVideo
Solution63.6%Easy
Array, Math· 2 companies
2457. Minimum Addition to Make Integer BeautifulVideo
Solution38.6%Medium
Greedy, Math· 3 companies
2464. Minimum Subarrays in a Valid SplitVideoPremium
Solution64.7%Medium
Array, Dynamic Programming +2
2469. Convert the TemperatureVideo
Solution90.4%Easy
Math· 2 companies
2470. Number of Subarrays With LCM Equal to KVideo
Solution47.6%Medium
Array, Math +1· 3 companies
2481. Minimum Cuts to Divide a CircleVideo
Solution56.7%Easy
Geometry, Math· 5 companies
2485. Find the Pivot IntegerVideo
Solution83.8%Easy
Math, Prefix Sum· 3 companies
2489. Number of Substrings With Fixed RatioVideoPremium
Solution56.0%Medium
Hash Table, Math +2· 1 company
2495. Number of Subarrays Having Even ProductVideoPremium
Solution63.2%Medium
Array, Dynamic Programming +1
2505. Bitwise OR of All Subsequence SumsVideoPremium
Solution63.4%Medium
Array, Bit Manipulation +2· 1 company
2507. Smallest Value After Replacing With Sum of Prime FactorsVideo
Solution50.4%Medium
Math, Number Theory +1
2513. Minimize the Maximum of Two ArraysVideo
Solution32.8%Medium
Binary Search, Math +1· 1 company
2514. Count AnagramsVideo
Solution38.4%Hard
Combinatorics, Counting +3· 1 company
2520. Count the Digits That Divide a NumberVideo
Solution85.9%Easy
Math· 3 companies
Showing 351–400 of 691