Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1830 | Minimum Number of Operations to Make String Sorted | Hard | MathStringCombinatorics |
| 1831 | Maximum Transaction Each Day | Medium | Database |
| 1832 | Check if the Sentence Is Pangram | Easy | Hash TableString |
| 1833 | Maximum Ice Cream Bars | Medium | ArrayGreedySorting |
| 1834 | Single-Threaded CPU | Medium | ArraySortingHeap (Priority Queue) |
| 1835 | Find XOR Sum of All Pairs Bitwise AND | Hard | ArrayMathBit Manipulation |
| 1836 | Remove Duplicates From an Unsorted Linked List | Medium | Hash TableLinked List |
| 1837 | Sum of Digits in Base K | Easy | Math |
| 1838 | Frequency of the Most Frequent Element | Medium | ArrayBinary SearchGreedy |
| 1839 | Longest Substring Of All Vowels in Order | Medium | StringSliding Window |
| 1840 | Maximum Building Height | Hard | ArrayMathSorting |
| 1841 | League Statistics | Medium | Database |
| 1842 | Next Palindrome Using Same Digits | Hard | Two PointersString |
| 1843 | Suspicious Bank Accounts | Medium | Database |
| 1844 | Closest Room | Hard | ArrayBinary SearchSorting |
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