Скачать или смотреть 3542. Minimum Operations to Convert All Elements to Zero | Leetcode Daily - Python

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In this LeetCode tutorial, we break down problem 3542, Minimum Operations to Convert All Elements to Zero. This problem challenges us to find the minimum number of operations to make all elements in an array zero, using a unique operation that involves clearing the minimum value within a chosen subarray. We'll start with a clear example to understand the mechanics, then uncover the key insight: how smaller numbers act as "barriers" that separate larger, identical numbers. This observation leads us directly to an efficient and elegant solution using a monotonic increasing stack. I'll walk you through the Python code step-by-step, explaining the logic behind each line. We'll also cover the time and space complexity (O(N)) and provide the complete solutions in Java, C++, and JavaScript for you to review.

Perfect for coding interview preparation and improving problem-solving skills.

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Solution Link:
https://leetcode.com/problems/minimum...

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