Solution: Subarrays with K Different Integers
Explore how to solve the problem of counting subarrays containing exactly k distinct integers using a sliding window approach. Learn to use pointers and a frequency map to track unique elements, apply the difference method for counting, and understand the linear time complexity involved.
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Statement
You are given an integer array nums and an integer k. Your task is to return the number of good subarrays of nums.
A good subarray is a contiguous subarray that contains exactly k distinct integers. For example, in the array
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