Solution: Count Subarrays With Fixed Bounds
Explore the two pointers technique to count subarrays where the smallest and largest values are fixed bounds. This lesson helps you understand how to track key indices and avoid invalid numbers, enabling an efficient O(n) solution to find all valid subarrays in an integer array.
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Statement
Given an integer array, nums, and two integers minK and maxK, return the number of fixed-bound subarrays.
A subarray in nums is called a fixed-bound subarray if it satisfies the following conditions:
The smallest value in the subarray equals
minK.The largest value in the subarray equals
maxK.
Note: A subarray is a contiguous sequence of elements within an array.
Constraints:
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