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Problems

257 problems

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

257 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 257