#3748

Count Stable Subarrays

international master · 1925 · lc hard +32 · 32.3% accepted · 61 likes · top 10%

Description

Given an integer array nums and a 2D array queries where queries[i] = [li, ri], for each query return the number of subarrays entirely within nums[li..ri] that are stable (contain no inversions, meaning they are non-decreasing).

Code

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