Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2414 | Length of the Longest Alphabetical Continuous Substring | Medium | String |
| 2416 | Sum of Prefix Scores of Strings | Hard | ArrayStringTrie |
| 2417 | Closest Fair Integer | Medium | MathEnumeration |
| 2418 | Sort the People | Easy | ArrayHash TableString |
| 2419 | Longest Subarray With Maximum Bitwise AND | Medium | ArrayBit ManipulationBrainteaser |
| 2420 | Find All Good Indices | Medium | ArrayDynamic ProgrammingPrefix Sum |
| 2421 | Number of Good Paths | Hard | ArrayHash TableTree |
| 2422 | Merge Operations to Turn Array Into a Palindrome | Medium | ArrayTwo PointersGreedy |
| 2423 | Remove Letter To Equalize Frequency | Easy | Hash TableStringCounting |
| 2424 | Longest Uploaded Prefix | Medium | Hash TableBinary SearchUnion Find |
| 2425 | Bitwise XOR of All Pairings | Medium | ArrayBit ManipulationBrainteaser |
| 2426 | Number of Pairs Satisfying Inequality | Hard | ArrayBinary SearchDivide and Conquer |
| 2427 | Number of Common Factors | Easy | MathEnumerationNumber Theory |
| 2428 | Maximize Total Tastiness of Purchased Fruits | Medium | ArrayDynamic Programming |
| 2428 | Maximum Sum of an Hourglass | Medium | ArrayMatrixPrefix Sum |
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