Special array II | LeetCode: 3152 | Prefix Array | Weekly contest 398
Автор: Amit Dhyani
Загружено: 2024-05-19
Просмотров: 569
Описание:
I'm Amit Dhyani, and in this video, we solved Leetcode 3152: Special Array II. We first started with the problem description and followed a step-by-step procedure to solve it using brute force. Next, I explained why the brute force approach is inefficient and introduced the intuition behind the optimal approach using a prefix array.
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Brute force approach:
**Time Complexity (T.C)**: O(n^2)
**Space Complexity (S.C)**: O(1)
Optimal solution :
**Time Complexity (T.C)**: O(n)
**Space Complexity (S.C)**: O(n)
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