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2,093 problems

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Array1,196 Hash Table465 String434 Greedy327 Math327 Dynamic Programming324 Sorting300 Depth-First Search208 Binary Search187 Breadth-First Search165 Matrix163 Tree157 Prefix Sum153 Two Pointers148 Database135 All topics

Medium · With video · 2,093 results

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TitleSolutionAcceptDifficultyTopics

1264. Page RecommendationsVideoPremium

Solution65.3%Medium

Database· 1 company

1265. Print Immutable Linked List in ReverseVideoPremium

Solution94.0%Medium

Linked List, Recursion +2

1267. Count Servers that CommunicateVideo

Solution73.5%Medium

Array, Breadth-First Search +4· 6 companies

1268. Search Suggestions SystemVideo

Solution65.1%Medium

Array, Binary Search +4· 19 companies

1270. All People Report to the Given ManagerVideoPremium

Solution83.8%Medium

Database· 2 companies

1272. Remove IntervalVideoPremium

Solution67.2%Medium

Array· 1 company

1273. Delete Tree NodesVideoPremium

Solution61.2%Medium

Array, Breadth-First Search +2· 1 company

1276. Number of Burgers with No Waste of IngredientsVideo

Solution52.7%Medium

1277. Count Square Submatrices with All OnesVideo

Solution80.7%Medium

Array, Dynamic Programming +1· 6 companies

1282. Group the People Given the Group Size They Belong ToVideo

Solution87.4%Medium

Array, Greedy +1· 5 companies

1283. Find the Smallest Divisor Given a ThresholdVideo

Solution66.8%Medium

Array, Binary Search· 12 companies

1285. Find the Start and End Number of Continuous RangesVideoPremium

Solution82.1%Medium

Database· 1 company

1286. Iterator for CombinationVideo

Solution72.7%Medium

Backtracking, Design +2· 1 company

1288. Remove Covered IntervalsVideo

Solution60.1%Medium

Array, Sorting· 5 companies

1291. Sequential DigitsVideo

Solution68.6%Medium

Enumeration· 3 companies

1292. Maximum Side Length of a Square with Sum Less than or Equal to ThresholdVideo

Solution65.4%Medium

Array, Binary Search +2· 4 companies

1296. Divide Array in Sets of K Consecutive NumbersVideo

Solution59.2%Medium

Array, Greedy +2· 2 companies

1297. Maximum Number of Occurrences of a SubstringVideo

Solution54.9%Medium

Hash Table, Sliding Window +1· 7 companies

1300. Sum of Mutated Array Closest to TargetVideo

Solution46.8%Medium

Array, Binary Search +1· 2 companies

1302. Deepest Leaves SumVideo

Solution86.3%Medium

Binary Tree, Breadth-First Search +2· 3 companies

1305. All Elements in Two Binary Search TreesVideo

Solution80.5%Medium

Binary Search Tree, Binary Tree +3· 2 companies

1306. Jump Game IIIVideo

Solution70.1%Medium

Array, Breadth-First Search +1· 3 companies

1308. Running Total for Different GendersVideoPremium

Solution86.3%Medium

1310. XOR Queries of a SubarrayVideo

Solution78.1%Medium

Array, Bit Manipulation +1· 3 companies

1311. Get Watched Videos by Your FriendsVideo

Solution54.2%Medium

Array, Breadth-First Search +3· 3 companies

1314. Matrix Block SumVideo

Solution77.0%Medium

Array, Matrix +1· 3 companies

1315. Sum of Nodes with Even-Valued GrandparentVideo

Solution85.6%Medium

Binary Tree, Breadth-First Search +2· 4 companies

1318. Minimum Flips to Make a OR b Equal to cVideo

Solution71.9%Medium

Bit Manipulation· 2 companies

1319. Number of Operations to Make Network ConnectedVideo

Solution67.0%Medium

Breadth-First Search, Depth-First Search +2· 10 companies

1321. Restaurant GrowthVideo

Solution60.2%Medium

Database· 7 companies

1324. Print Words VerticallyVideo

Solution68.1%Medium

Array, Simulation +1· 2 companies

1325. Delete Leaves With a Given ValueVideo

Solution77.4%Medium

Binary Tree, Depth-First Search +1· 4 companies

1328. Break a PalindromeVideo

Solution51.6%Medium

Greedy, String· 6 companies

1329. Sort the Matrix DiagonallyVideo

Solution82.9%Medium

Array, Matrix +1· 4 companies

1333. Filter Restaurants by Vegan-Friendly, Price and DistanceVideo

Solution64.2%Medium

Array, Sorting· 1 company

1334. Find the City With the Smallest Number of Neighbors at a Threshold DistanceVideo

Solution73.5%Medium

Dynamic Programming, Graph +1· 5 companies

1338. Reduce Array Size to The HalfVideo

Solution69.5%Medium

Array, Greedy +3· 1 company

1339. Maximum Product of Splitted Binary TreeVideo

Solution55.7%Medium

Binary Tree, Depth-First Search +1· 5 companies

1341. Movie RatingVideo

Solution44.8%Medium

Database· 6 companies

1343. Number of Sub-arrays of Size K and Average Greater than or Equal to ThresholdVideo

Solution74.3%Medium

Array, Sliding Window· 5 companies

1344. Angle Between Hands of a ClockVideo

Solution69.6%Medium

Math· 10 companies

1347. Minimum Number of Steps to Make Two Strings AnagramVideo

Solution82.6%Medium

Counting, Hash Table +1· 10 companies

1348. Tweet Counts Per FrequencyVideo

Solution46.6%Medium

Binary Search, Design +3· 4 companies

1352. Product of the Last K NumbersVideo

Solution62.9%Medium

Array, Data Stream +3· 11 companies

1353. Maximum Number of Events That Can Be AttendedVideo

Solution38.9%Medium

Array, Greedy +2· 16 companies

1355. Activity ParticipantsVideoPremium

Solution72.3%Medium

Database· 1 company

1357. Apply Discount Every n OrdersVideo

Solution66.1%Medium

Array, Design +1· 1 company

1358. Number of Substrings Containing All Three CharactersVideo

Solution74.4%Medium

Hash Table, Sliding Window +1· 6 companies

1361. Validate Binary Tree NodesVideo

Solution44.3%Medium

Binary Tree, Breadth-First Search +4· 3 companies

1362. Closest DivisorsVideo

Solution64.3%Medium

Math· 1 company

Showing 701–750 of 2,093