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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1608. Special Array With X Elements Greater Than or Equal X | Easy | 8.5% | TopicsArrayBinary SearchSorting |
| Calculate Special Bonus | Easy | 8.5% | TopicsDatabase |
| 3731. Find Missing Elements | Easy | 8.5% | TopicsArrayHash TableSorting |
| Patients With a Condition | Easy | 8.5% | TopicsDatabase |
| 3345. Smallest Divisible Digit Product I | Easy | 8.5% | TopicsMathEnumeration |
| 3302. Find the Lexicographically Smallest Valid Sequence | Medium | 8.5% | TopicsTwo PointersStringDynamic ProgrammingGreedy |
| 2029. Stone Game IX | Medium | 8.5% | TopicsArrayMathGreedyMinimaxCountingGame TheoryNim GameZero-Sum Game |
| 3471. Find the Largest Almost Missing Integer | Easy | 8.5% | TopicsArrayHash Table |
| Valid Square | Medium | 8.5% | TopicsMathGeometry |
| 940. Distinct Subsequences II | Hard | 8.5% | TopicsStringDynamic Programming |
| 3870. Count Commas in Range | Easy | 8.5% | TopicsMath |
| 2472. Maximum Number of Non-overlapping Palindrome Substrings | Hard | 8.5% | TopicsTwo PointersStringDynamic ProgrammingGreedy |
| 1096. Brace Expansion II | Hard | 8.5% | TopicsHash TableStringBacktrackingStackBreadth-First SearchSorting |
| 2333. Minimum Sum of Squared Difference | Medium | 8.5% | TopicsArrayBinary SearchGreedySortingHeap (Priority Queue) |
| 145. Binary Tree Postorder Traversal | Easy | 5% | TopicsStackTreeDepth-First SearchBinary Tree |
| Rectangle Area | Medium | 5% | TopicsMathGeometry |
| 1721. Swapping Nodes in a Linked List | Medium | 5% | TopicsLinked ListTwo Pointers |
| Range Module | Hard | 5% | TopicsDesignSegment TreeOrdered Set |
| Minimum Window Subsequence | Hard | 5% | TopicsStringDynamic ProgrammingSliding Window |
| 815. Bus Routes | Hard | 5% | TopicsArrayHash TableBreadth-First Search |
| 826. Most Profit Assigning Work | Medium | 5% | TopicsArrayTwo PointersBinary SearchGreedySorting |
| 919. Complete Binary Tree Inserter | Medium | 5% | TopicsTreeBreadth-First SearchDesignBinary Tree |
| 1122. Relative Sort Array | Easy | 5% | TopicsArrayHash TableSortingCounting SortQuicksortBubble Sort |
| 1315. Sum of Nodes with Even-Valued Grandparent | Medium | 5% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 1146. Snapshot Array | Medium | 5% | TopicsArrayHash TableBinary SearchDesignPersistent Data Structure |
