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Problems

666 problems

Has videoPremium onlyReset
Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 666 results

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TitleSolutionAcceptDifficultyTopics
5. Longest Palindromic SubstringVideo
Solution38.7%Medium
Dynamic Programming, String +1· 81 companies
10. Regular Expression MatchingVideo
Solution31.8%Hard
Dynamic Programming, Recursion +1· 25 companies
22. Generate ParenthesesVideo
Solution79.6%Medium
Backtracking, Dynamic Programming +1· 40 companies
32. Longest Valid ParenthesesVideo
Solution41.2%Hard
Dynamic Programming, Stack +1· 25 companies
42. Trapping Rain WaterVideo
Solution68.2%Hard
Array, Dynamic Programming +3· 73 companies
44. Wildcard MatchingVideo
Solution32.8%Hard
Dynamic Programming, Greedy +2· 17 companies
45. Jump Game IIVideo
Solution43.2%Medium
Array, Dynamic Programming +1· 26 companies
53. Maximum SubarrayVideo
Solution53.7%Medium
Array, Divide and Conquer +1· 64 companies
55. Jump GameVideo
Solution41.2%Medium
Array, Dynamic Programming +1· 33 companies
62. Unique PathsVideo
Solution67.3%Medium
Combinatorics, Dynamic Programming +1· 21 companies
63. Unique Paths IIVideo
Solution44.9%Medium
Array, Dynamic Programming +1· 9 companies
64. Minimum Path SumVideo
Solution68.6%Medium
Array, Dynamic Programming +1· 17 companies
70. Climbing StairsVideo
Solution54.0%Easy
Dynamic Programming, Math +1· 37 companies
72. Edit DistanceVideo
Solution61.5%Medium
Dynamic Programming, String· 24 companies
85. Maximal RectangleVideo
Solution60.1%Hard
Array, Dynamic Programming +3· 15 companies
87. Scramble StringVideo
Solution45.9%Hard
Dynamic Programming, String· 6 companies
91. Decode WaysVideo
Solution38.3%Medium
Dynamic Programming, String· 22 companies
95. Unique Binary Search Trees IIVideo
Solution63.3%Medium
Backtracking, Binary Search Tree +3· 5 companies
96. Unique Binary Search TreesVideo
Solution64.0%Medium
Binary Search Tree, Binary Tree +3· 10 companies
97. Interleaving StringVideo
Solution45.0%Medium
Dynamic Programming, String· 10 companies
115. Distinct SubsequencesVideo
Solution54.1%Hard
Dynamic Programming, String· 13 companies
118. Pascal's TriangleVideo
Solution79.4%Easy
Array, Dynamic Programming· 17 companies
119. Pascal's Triangle IIVideo
Solution67.8%Easy
Array, Dynamic Programming· 6 companies
120. TriangleVideo
Solution59.9%Medium
Array, Dynamic Programming· 11 companies
121. Best Time to Buy and Sell StockVideo
Solution57.1%Easy
Array, Dynamic Programming· 92 companies
122. Best Time to Buy and Sell Stock IIVideo
Solution71.4%Medium
Array, Dynamic Programming +1· 28 companies
123. Best Time to Buy and Sell Stock IIIVideo
Solution54.5%Hard
Array, Dynamic Programming· 13 companies
124. Binary Tree Maximum Path SumVideo
Solution42.7%Hard
Binary Tree, Depth-First Search +2· 25 companies
131. Palindrome PartitioningVideo
Solution74.4%Medium
Backtracking, Dynamic Programming +1· 10 companies
132. Palindrome Partitioning IIVideo
Solution37.9%Hard
Dynamic Programming, String· 9 companies
139. Word BreakVideo
Solution49.8%Medium
Array, Dynamic Programming +4· 32 companies
140. Word Break IIVideo
Solution56.4%Hard
Array, Backtracking +5· 16 companies
152. Maximum Product SubarrayVideo
Solution36.7%Medium
Array, Dynamic Programming· 23 companies
174. Dungeon GameVideo
Solution42.2%Hard
Array, Dynamic Programming +1· 8 companies
188. Best Time to Buy and Sell Stock IVVideo
Solution51.5%Hard
Array, Dynamic Programming· 11 companies
198. House RobberVideo
Solution53.6%Medium
Array, Dynamic Programming· 40 companies
213. House Robber IIVideo
Solution45.3%Medium
Array, Dynamic Programming· 19 companies
221. Maximal SquareVideo
Solution50.7%Medium
Array, Dynamic Programming +1· 28 companies
233. Number of Digit OneVideo
Solution39.9%Hard
Dynamic Programming, Math +1· 6 companies
241. Different Ways to Add ParenthesesVideo
Solution73.7%Medium
Dynamic Programming, Math +3· 6 companies
256. Paint HouseVideoPremium
Solution64.3%Medium
Array, Dynamic Programming· 8 companies
264. Ugly Number IIVideo
Solution49.7%Medium
Dynamic Programming, Hash Table +2· 9 companies
265. Paint House IIVideoPremium
Solution57.0%Hard
Array, Dynamic Programming· 2 companies
276. Paint FenceVideoPremium
Solution48.3%Medium
Dynamic Programming· 4 companies
279. Perfect SquaresVideo
Solution57.0%Medium
Breadth-First Search, Dynamic Programming +1· 12 companies
294. Flip Game IIVideoPremium
Solution52.2%Medium
Backtracking, Dynamic Programming +3· 2 companies
300. Longest Increasing SubsequenceVideo
Solution59.8%Medium
Array, Binary Search +1· 30 companies
309. Best Time to Buy and Sell Stock with CooldownVideo
Solution62.4%Medium
Array, Dynamic Programming· 8 companies
312. Burst BalloonsVideo
Solution64.3%Hard
Array, Dynamic Programming· 15 companies
313. Super Ugly NumberVideo
Solution46.6%Medium
Array, Dynamic Programming +1· 5 companies
Showing 1–50 of 666