AMD
17 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 13. Roman to Integer | Easy | 100% | TopicsHash TableMathString |
| 54. Spiral Matrix | Medium | 78.7% | TopicsArrayMatrixSimulation |
| 1. Two Sum | Easy | 78.7% | TopicsArrayHash Table |
| 560. Subarray Sum Equals K | Medium | 78.7% | TopicsArrayHash TablePrefix Sum |
| 200. Number of Islands | Medium | 78.7% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 56. Merge Intervals | Medium | 68.5% | TopicsArraySortingQuicksort |
| 9. Palindrome Number | Easy | 68.5% | TopicsMath |
| 88. Merge Sorted Array | Easy | 68.5% | TopicsArrayTwo PointersSorting |
| 283. Move Zeroes | Easy | 68.5% | TopicsArrayTwo Pointers |
| 347. Top K Frequent Elements | Medium | 68.5% | TopicsArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect |
| 12. Integer to Roman | Medium | 68.5% | TopicsHash TableMathString |
| 234. Palindrome Linked List | Easy | 68.5% | TopicsLinked ListTwo PointersStackRecursion |
| 70. Climbing Stairs | Easy | 68.5% | TopicsMathDynamic ProgrammingMemoization |
| 3Sum | Medium | 68.5% | TopicsArrayTwo PointersSorting |
| 876. Middle of the Linked List | Easy | 68.5% | TopicsLinked ListTwo Pointers |
| 155. Min Stack | Medium | 68.5% | TopicsStackDesign |
| 20. Valid Parentheses | Easy | 68.5% | TopicsStringStackBracket Sequences |
