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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Replace Employee ID With The Unique Identifier | Easy | 26% | TopicsDatabase |
| 1498. Number of Subsequences That Satisfy the Given Sum Condition | Medium | 26% | TopicsArrayTwo PointersBinary SearchSorting |
| 1679. Max Number of K-Sum Pairs | Medium | 26% | TopicsArrayHash TableTwo PointersSorting |
| Invalid Tweets | Easy | 26% | TopicsDatabase |
| Minimum Path Cost in a Hidden Grid | Medium | 26% | TopicsArrayDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)MatrixInteractiveShortest Path |
| 1928. Minimum Cost to Reach Destination in Time | Hard | 26% | TopicsArrayDynamic ProgrammingGraph TheoryDijkstra's Algorithm |
| Page Recommendations II | Hard | 26% | TopicsDatabase |
| 1920. Build Array from Permutation | Easy | 26% | TopicsArraySimulation |
| Strong Friendship | Medium | 26% | TopicsDatabase |
| 2824. Count Pairs Whose Sum is Less than Target | Easy | 26% | TopicsArrayTwo PointersBinary SearchSorting |
| Create a DataFrame from List | Easy | 26% | Topics— |
| 860. Lemonade Change | Easy | 26% | TopicsArrayGreedy |
| Employee Bonus | Easy | 26% | TopicsDatabase |
| 1275. Find Winner on a Tic Tac Toe Game | Easy | 26% | TopicsArrayHash TableMatrixSimulation |
| 684. Redundant Connection | Medium | 26% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 1903. Largest Odd Number in String | Easy | 26% | TopicsMathStringGreedy |
| Fraction to Recurring Decimal | Medium | 26% | TopicsHash TableMathString |
| Rank Scores | Medium | 26% | TopicsDatabase |
| 1295. Find Numbers with Even Number of Digits | Easy | 26% | TopicsArrayMath |
| 3545. Minimum Deletions for At Most K Distinct Characters | Easy | 26% | TopicsHash TableStringGreedySortingCounting |
| Substring with Concatenation of All Words | Hard | 24.3% | TopicsHash TableStringSliding Window |
| Minimum Depth of Binary Tree | Easy | 24.3% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| Read N Characters Given Read4 | Easy | 24.3% | TopicsArraySimulationInteractive |
| Consecutive Numbers | Medium | 24.3% | TopicsDatabase |
| 182. Duplicate Emails | Easy | 24.3% | TopicsDatabase |
