| 31 |
Minimum Threshold for Inversion Pairs Count |
Medium |
ArrayBinary SearchBinary Indexed Tree |
| 32 |
Number of Longest Increasing Subsequence |
Medium |
ArrayDynamic ProgrammingBinary Indexed Tree |
| 33 |
Number of Pairs Satisfying Inequality |
Hard |
ArrayBinary SearchDivide and Conquer |
| 34 |
Online Majority Element In Subarray |
Hard |
ArrayBinary SearchDesign |
| 35 |
Peaks in Array |
Hard |
ArrayBinary Indexed TreeSegment Tree |
| 36 |
Queries on a Permutation With Key |
Medium |
ArrayBinary Indexed TreeSimulation |
| 37 |
Queue Reconstruction by Height |
Medium |
ArrayBinary Indexed TreeSegment Tree |
| 38 |
Range Sum Query 2D - Mutable |
Medium |
ArrayDesignBinary Indexed Tree |
| 39 |
Range Sum Query - Mutable |
Easy |
ArrayDivide and ConquerDesign |
| 40 |
Reverse Pairs |
Hard |
ArrayBinary SearchDivide and Conquer |
| 41 |
Shortest Path in a Weighted Tree |
Hard |
ArrayTreeDepth-First Search |
| 42 |
Subarrays Distinct Element Sum of Squares II |
Hard |
ArrayDynamic ProgrammingBinary Indexed Tree |
| 43 |
The Skyline Problem |
Hard |
ArrayDivide and ConquerBinary Indexed Tree |