Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1455 | Check If a Word Occurs As a Prefix of Any Word in a Sentence | Easy | Two PointersStringString Matching |
| 1455 | Max Dot Product of Two Subsequences | Hard | ArrayDynamic Programming |
| 1456 | Maximum Number of Vowels in a Substring of Given Length | Medium | StringSliding Window |
| 1457 | Pseudo-Palindromic Paths in a Binary Tree | Medium | Bit ManipulationTreeDepth-First Search |
| 1459 | Course Schedule IV | Medium | Depth-First SearchBreadth-First SearchGraph |
| 1459 | Rectangles Area | Medium | Database |
| 1460 | Cherry Pickup II | Hard | ArrayDynamic ProgrammingMatrix |
| 1460 | Make Two Arrays Equal by Reversing Subarrays | Easy | ArrayHash TableSorting |
| 1461 | Check If a String Contains All Binary Codes of Size K | Medium | Hash TableStringBit Manipulation |
| 1464 | Maximum Product of Two Elements in an Array | Easy | ArraySortingHeap (Priority Queue) |
| 1464 | Probability of a Two Boxes Having The Same Number of Distinct Balls | Hard | ArrayMathDynamic Programming |
| 1465 | Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts | Medium | ArrayGreedySorting |
| 1466 | Find All The Lonely Nodes | Easy | TreeDepth-First SearchBreadth-First Search |
| 1466 | Reorder Routes to Make All Paths Lead to the City Zero | Medium | Depth-First SearchBreadth-First SearchGraph |
| 1468 | Calculate Salaries | Medium | Database |
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