Practice problems across 75+ categories
Practice problems frequently asked at Binary Indexed Tree • 42 problems | 1 Easy | 12 Medium | 29 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Alternating Groups III | Hard | ArrayBinary Indexed TreeOrdered Set |
| 2 | Block Placement Queries | Hard | ArrayBinary SearchBinary Indexed Tree |
| 3 | Booking Concert Tickets in Groups | Hard | Binary SearchDesignBinary Indexed Tree |
| 4 | Count Good Triplets in an Array | Hard | ArrayBinary SearchDivide and Conquer |
| 5 | Count Increasing Quadruplets | Hard | ArrayDynamic ProgrammingBinary Indexed Tree |
| 6 | Count Number of Rectangles Containing Each Point | Medium | ArrayHash TableBinary Search |
| 7 | Count Number of Teams | Medium | ArrayDynamic ProgrammingBinary Indexed Tree |
| 8 | Count of Range Sum | Hard | ArrayBinary SearchDivide and Conquer |
| 9 | Count of Smaller Numbers After Self | Hard | ArrayBinary SearchDivide and Conquer |
| 10 | Count Subarrays With More Ones Than Zeros | Medium | ArrayHash TableBinary Search |
| 11 | Count the Number of K-Big Indices | Hard | ArrayBinary SearchDivide and Conquer |
| 12 | Create Sorted Array through Instructions | Hard | ArrayBinary SearchDivide and Conquer |
| 13 | Distribute Elements Into Two Arrays II | Hard | ArrayBinary Indexed TreeSegment Tree |
| 14 | Find Building Where Alice and Bob Can Meet | Hard | ArrayBinary SearchStack |
| 15 | Find the Index of Permutation | Medium | ArrayBinary SearchDivide and Conquer |
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