Oracle
282 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Count Binary Substrings | Easy | 26.6% | TopicsTwo PointersString |
| 139. Word Break | Medium | 26.6% | TopicsArrayHash TableStringDynamic ProgrammingTrieMemoizationBrute-Force Search |
| 739. Daily Temperatures | Medium | 26.6% | TopicsArrayStackMonotonic Stack |
| 973. K Closest Points to Origin | Medium | 26.6% | TopicsArrayMathDivide and ConquerGeometrySortingHeap (Priority Queue)QuickselectK-D Tree |
| 1347. Minimum Number of Steps to Make Two Strings Anagram | Medium | 26.6% | TopicsHash TableStringCounting |
| 435. Non-overlapping Intervals | Medium | 26.6% | TopicsArrayDynamic ProgrammingGreedySorting |
| Flatten Binary Tree to Linked List | Medium | 26.6% | TopicsLinked ListStackTreeDepth-First SearchBinary Tree |
| Kill Process | Medium | 26.6% | TopicsArrayHash TableTreeDepth-First SearchBreadth-First Search |
| 198. House Robber | Medium | 26.6% | TopicsArrayDynamic Programming |
| 567. Permutation in String | Medium | 26.6% | TopicsHash TableTwo PointersStringSliding Window |
| 704. Binary Search | Easy | 26.6% | TopicsArrayBinary Search |
| Remove Duplicates from Sorted List II | Medium | 26.6% | TopicsLinked ListTwo Pointers |
| Trapping Rain Water II | Hard | 26.6% | TopicsArrayBreadth-First SearchHeap (Priority Queue)Matrix |
| 78. Subsets | Medium | 26.6% | TopicsArrayBacktrackingBit Manipulation |
| Fraction to Recurring Decimal | Medium | 26.6% | TopicsHash TableMathString |
| Longest Substring with At Most K Distinct Characters | Medium | 26.6% | TopicsHash TableStringSliding Window |
| 2303. Calculate Amount Paid in Taxes | Easy | 26.6% | TopicsArraySimulation |
| My Calendar I | Medium | 26.6% | TopicsArrayBinary SearchDesignSegment TreeOrdered Set |
| Triangle | Medium | 26.6% | TopicsArrayDynamic Programming |
| 1079. Letter Tile Possibilities | Medium | 26.6% | TopicsHash TableStringBacktrackingCounting |
| 1249. Minimum Remove to Make Valid Parentheses | Medium | 26.6% | TopicsStringStack |
| 2592. Maximize Greatness of an Array | Medium | 26.6% | TopicsArrayTwo PointersGreedySorting |
| Linked List Cycle II | Medium | 26.6% | TopicsHash TableLinked ListTwo PointersFloyd's Cycle Finding Algorithm |
| 297. Serialize and Deserialize Binary Tree | Hard | 26.6% | TopicsStringTreeDepth-First SearchBreadth-First SearchDesignBinary Tree |
| 2226. Maximum Candies Allocated to K Children | Medium | 26.6% | TopicsArrayBinary Search |
