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LeetCode Problem 1004: Max Consecutive Ones III | Sliding Window C# Solution Explained

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Jan 16, 2026
11:23

Here's my solution to the LeetCode Problem 1004: Max Consecutive Ones III, implemented in C# using an Efficient Sliding Window Approach. 🚀 💡 Problem Overview: The task is to find the maximum number of consecutive 1s in a binary array if you can flip at most k 0s to 1s. This solution uses the Sliding Window Technique to dynamically adjust the window size and manage matches efficiently. ✅ What You'll Learn in This Video: How the Sliding Window Technique is used to handle window size and conditions dynamically. Logic to efficiently count and manage flips of zeros while maximizing the length of the ones sequence. An easy-to-follow and optimized implementation of the algorithm in C#. 🔔 Code Highlights: Time Complexity: O(n), where n is the length of the array. The sliding window ensures every number is processed at most twice. Space Complexity: O(1), as the solution uses only a few variables to keep track of the window's bounds and state. Core Insight: The process uses two pointers (left and right) to maintain a window and dynamically adjust its size when the number of zeros exceeds k. This ensures the window always satisfies the constraints while tracking the maximum length of valid windows. 💡 This problem is ideal for honing your ability to solve real-world problems such as signal processing or machine learning preprocessing with constrained window techniques. 🎥 If you found this explanation helpful, don’t forget to Like, Subscribe, and Share for more algorithm deep-dives, LeetCode problem walkthroughs, and coding tutorials! ✨ #LeetCode #MaxConsecutiveOnesIII #SlidingWindow #BinaryArray #CSharp #ProblemSolving #EfficientAlgorithms #CodingInterview

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LeetCode Problem 1004: Max Consecutive Ones III | Sliding Window C# Solution Explained | NatokHD