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255 problems

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Array2,209 String870 Hash Table786 Math682 Dynamic Programming666 Sorting504 Greedy480 Binary Search352 Depth-First Search335 Database303 Bit Manipulation283 Matrix278 Tree261 Breadth-First Search255 Two Pointers249 All topics

With video · 255 results

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TitleSolutionAcceptDifficultyTopics

924. Minimize Malware SpreadVideo

Solution43.6%Hard

Array, Breadth-First Search +4· 10 companies

928. Minimize Malware Spread IIVideo

Solution46.2%Hard

Array, Breadth-First Search +4· 2 companies

934. Shortest BridgeVideo

Solution59.9%Medium

Array, Breadth-First Search +2· 16 companies

958. Check Completeness of a Binary TreeVideo

Solution59.6%Medium

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

959. Regions Cut By SlashesVideo

Solution77.8%Medium

Array, Breadth-First Search +4· 6 companies

965. Univalued Binary TreeVideo

Solution73.5%Easy

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

967. Numbers With Same Consecutive DifferencesVideo

Solution59.1%Medium

Backtracking, Breadth-First Search· 5 companies

987. Vertical Order Traversal of a Binary TreeVideo

Solution54.6%Hard

Binary Tree, Breadth-First Search +4· 15 companies

993. Cousins in Binary TreeVideo

Solution59.8%Easy

Binary Tree, Breadth-First Search +2· 6 companies

994. Rotting OrangesVideo

Solution59.5%Medium

Array, Breadth-First Search +1· 52 companies

1020. Number of EnclavesVideo

Solution72.2%Medium

Array, Breadth-First Search +3· 5 companies

1034. Coloring A BorderVideo

Solution51.8%Medium

Array, Breadth-First Search +2· 3 companies

1036. Escape a Large MazeVideo

Solution37.0%Hard

Array, Breadth-First Search +2· 4 companies

1042. Flower Planting With No AdjacentVideo

Solution54.1%Medium

Breadth-First Search, Depth-First Search +1· 2 companies

1087. Brace ExpansionVideoPremium

Solution66.5%Medium

Backtracking, Breadth-First Search +1· 6 companies

1091. Shortest Path in Binary MatrixVideo

Solution51.8%Medium

Array, Breadth-First Search +1· 15 companies

1096. Brace Expansion IIVideo

Solution79.2%Hard

Backtracking, Breadth-First Search +2· 1 company

1102. Path With Maximum Minimum ValueVideoPremium

Solution54.6%Medium

Array, Binary Search +5· 3 companies

1123. Lowest Common Ancestor of Deepest LeavesVideo

Solution79.5%Medium

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

1129. Shortest Path with Alternating ColorsVideo

Solution48.4%Medium

Breadth-First Search, Graph· 5 companies

1161. Maximum Level Sum of a Binary TreeVideo

Solution70.0%Medium

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

1162. As Far from Land as PossibleVideo

Solution52.2%Medium

Array, Breadth-First Search +2· 7 companies

1197. Minimum Knight MovesVideoPremium

Solution41.8%Medium

Breadth-First Search· 13 companies

1202. Smallest String With SwapsVideo

Solution61.0%Medium

Array, Breadth-First Search +5· 8 companies

1203. Sort Items by Groups Respecting DependenciesVideo

Solution66.0%Hard

Breadth-First Search, Depth-First Search +2· 5 companies

1210. Minimum Moves to Reach Target with RotationsVideo

Solution52.7%Hard

Array, Breadth-First Search +1· 1 company

1215. Stepping NumbersVideoPremium

Solution48.2%Medium

Backtracking, Breadth-First Search +1· 1 company

1236. Web CrawlerVideoPremium

Solution68.8%Medium

Breadth-First Search, Depth-First Search +2· 7 companies

1242. Web Crawler MultithreadedVideoPremium

–49.5%Medium

Breadth-First Search, Concurrency +1· 9 companies

1245. Tree DiameterVideoPremium

Solution61.1%Medium

Breadth-First Search, Depth-First Search +3· 7 companies

1254. Number of Closed IslandsVideo

Solution67.7%Medium

Array, Breadth-First Search +3· 5 companies

1257. Smallest Common RegionVideoPremium

Solution68.6%Medium

Array, Breadth-First Search +4· 1 company

1261. Find Elements in a Contaminated Binary TreeVideo

Solution84.1%Medium

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

1263. Minimum Moves to Move a Box to Their Target LocationVideo

Solution49.7%Hard

Array, Breadth-First Search +2· 1 company

1267. Count Servers that CommunicateVideo

Solution73.5%Medium

Array, Breadth-First Search +4· 6 companies

1273. Delete Tree NodesVideoPremium

Solution61.2%Medium

Array, Breadth-First Search +2· 1 company

1284. Minimum Number of Flips to Convert Binary Matrix to Zero MatrixVideo

Solution72.9%Hard

Array, Bit Manipulation +3· 1 company

1293. Shortest Path in a Grid with Obstacles EliminationVideo

Solution46.8%Hard

Array, Breadth-First Search +1· 14 companies

1298. Maximum Candies You Can Get from BoxesVideo

Solution67.2%Hard

Array, Breadth-First Search +1· 4 companies

1302. Deepest Leaves SumVideo

Solution86.3%Medium

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

1306. Jump Game IIIVideo

Solution70.1%Medium

Array, Breadth-First Search +1· 3 companies

1311. Get Watched Videos by Your FriendsVideo

Solution54.2%Medium

Array, Breadth-First Search +3· 3 companies

1315. Sum of Nodes with Even-Valued GrandparentVideo

Solution85.6%Medium

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

1319. Number of Operations to Make Network ConnectedVideo

Solution67.0%Medium

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

1345. Jump Game IVVideo

Solution50.9%Hard

Array, Breadth-First Search +1· 4 companies

1361. Validate Binary Tree NodesVideo

Solution44.3%Medium

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

1368. Minimum Cost to Make at Least One Valid Path in a GridVideo

Solution70.9%Hard

Array, Breadth-First Search +4· 8 companies

1376. Time Needed to Inform All EmployeesVideo

Solution60.6%Medium

Breadth-First Search, Depth-First Search +1· 5 companies

1377. Frog Position After T SecondsVideo

Solution38.8%Hard

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

1379. Find a Corresponding Node of a Binary Tree in a Clone of That TreeVideo

Solution85.9%Easy

Binary Tree, Breadth-First Search +2· 1 company

Showing 101–150 of 255