Solution: Subarrays with K Different Integers
Explore how to count subarrays containing exactly k distinct integers using a sliding window approach. Understand using two pointers and a frequency map to manage window size and distinct count. Gain the ability to solve similar subarray problems in linear time with clear algorithmic steps.
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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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