Intel
15 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1. Two Sum | Easy | 100% | TopicsArrayHash Table |
| 2526. Find Consecutive Integers from a Data Stream | Medium | 100% | TopicsHash TableDesignQueueCountingData Stream |
| 1614. Maximum Nesting Depth of the Parentheses | Easy | 100% | TopicsStringStackBracket Sequences |
| 20. Valid Parentheses | Easy | 88.3% | TopicsStringStackBracket Sequences |
| 138. Copy List with Random Pointer | Medium | 75.6% | TopicsHash TableLinked List |
| 200. Number of Islands | Medium | 75.6% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 11. Container With Most Water | Medium | 75.6% | TopicsArrayTwo PointersGreedy |
| 3. Longest Substring Without Repeating Characters | Medium | 65.6% | TopicsHash TableStringSliding Window |
| 42. Trapping Rain Water | Hard | 65.6% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 146. LRU Cache | Medium | 65.6% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 9. Palindrome Number | Easy | 65.6% | TopicsMath |
| 53. Maximum Subarray | Medium | 65.6% | TopicsArrayDivide and ConquerDynamic Programming |
| 155. Min Stack | Medium | 65.6% | TopicsStackDesign |
| Majority Element II | Medium | 65.6% | TopicsArrayHash TableSortingCountingBoyer–Moore Majority Vote Algorithm |
| 141. Linked List Cycle | Easy | 65.6% | TopicsHash TableLinked ListTwo PointersFloyd's Cycle Finding Algorithm |
