👉 Count Number of Nice Subarrays 💡 | Sliding Window Explained in Telugu | DSA L40 🔥

Welcome to Lecture 40 of the DSA Series in Telugu! 💻🔥 In this video, we solve an important counting problem using Sliding Window: Count Number of Nice Subarrays. A nice subarray is defined as a subarray that contains exactly K odd numbers. This problem teaches a powerful Sliding Window counting technique using the At Most K logic, which is extremely useful in interviews. You are given an integer array and an integer K. Count the number of continuous subarrays that contain exactly K odd numbers. Sliding Window counting technique At Most K subarrays logic Why exactly K equals at most K minus at most K minus one Transforming array into binary odd or even representation Step-by-step dry run explanation Time and Space Complexity Common interview mistakes Number of subarrays with exactly K odd numbers = subarrays with at most K odd numbers − subarrays with at most K minus one odd numbers This is the core insight of the problem. count number of nice subarrays telugu nice subarrays sliding window telugu count subarrays with k odd numbers telugu sliding window counting problems telugu binary transformation sliding window telugu dsa sliding window telugu telugu dsa series coding interview subarray problems telugu leetcode nice subarrays telugu array sliding window problems telugu #dsaintelugu #telugucoding #programmingintelugu #dsa #algorithms #datastructures #coding count number of nice subarrays explained telugu sliding window nice subarrays explained telugu exactly k odd numbers subarrays telugu at most k sliding window explained telugu count subarrays sliding window trick telugu leetcode nice subarrays explained telugu dsa sliding window counting telugu learn sliding window counting telugu telugu dsa series sliding window