Qualcomm
52 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 25. Reverse Nodes in k-Group | Hard | 100% | TopicsLinked ListRecursion |
| 3163. String Compression III | Medium | 97.2% | TopicsString |
| 1183. Maximum Number of Ones | Hard | 94.1% | TopicsMathGreedySortingHeap (Priority Queue) |
| 206. Reverse Linked List | Easy | 90.5% | TopicsLinked ListRecursion |
| 200. Number of Islands | Medium | 90.5% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 1. Two Sum | Easy | 90.5% | TopicsArrayHash Table |
| 3. Longest Substring Without Repeating Characters | Medium | 90.5% | TopicsHash TableStringSliding Window |
| 146. LRU Cache | Medium | 86.5% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 344. Reverse String | Easy | 81.6% | TopicsTwo PointersString |
| 9. Palindrome Number | Easy | 75.7% | TopicsMath |
| 20. Valid Parentheses | Easy | 75.7% | TopicsStringStackBracket Sequences |
| 48. Rotate Image | Medium | 75.7% | TopicsArrayMathMatrix |
| Implement Queue using Stacks | Easy | 75.7% | TopicsStackDesignQueue |
| 836. Rectangle Overlap | Easy | 75.7% | TopicsMathGeometry |
| 169. Majority Element | Easy | 75.7% | TopicsArrayHash TableDivide and ConquerSortingCountingBoyer–Moore Majority Vote Algorithm |
| 42. Trapping Rain Water | Hard | 75.7% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 2183. Count Array Pairs Divisible by K | Hard | 75.7% | TopicsArrayHash TableMathCountingNumber TheoryEuclidean AlgorithmGreatest Common Divisor |
| 283. Move Zeroes | Easy | 75.7% | TopicsArrayTwo Pointers |
| 3Sum | Medium | 75.7% | TopicsArrayTwo PointersSorting |
| 70. Climbing Stairs | Easy | 68.1% | TopicsMathDynamic ProgrammingMemoization |
| 231. Power of Two | Easy | 68.1% | TopicsMathBit ManipulationRecursion |
| Reverse Bits | Easy | 68.1% | TopicsDivide and ConquerBit Manipulation |
| 19. Remove Nth Node From End of List | Medium | 68.1% | TopicsLinked ListTwo Pointers |
| 622. Design Circular Queue | Medium | 68.1% | TopicsArrayLinked ListDesignQueue |
| 141. Linked List Cycle | Easy | 68.1% | TopicsHash TableLinked ListTwo PointersFloyd's Cycle Finding Algorithm |
