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Solution: Longest Subarray of 1's After Deleting One Element

Explore how to apply the sliding window approach to solve the problem of finding the longest subarray of 1s after deleting exactly one element in a binary array. Understand how to maintain a window that allows at most one zero to optimize the solution. This lesson guides you through the problem, solution logic, and complexity analysis for an efficient implementation.

Statement

Given a binary array nums, remove exactly one element from it. Return the length of the longest non-empty subarray consisting entirely of 11's in the resulting array. If no such subarray exists, return 00.

Note: Exactly one element must always be deleted, even if all elements are 11's.

Constraints:

  • 11 \leq nums.length 105\leq 10^5 ...