LeetCode 453: Minimum Moves to Equal Array Elements | Java | Math & Easy Explanation
ByteSprint
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LeetCode 453: Minimum Moves to Equal Array Elements | Java | Math & Easy Explanation
7 просмотров · 23 ч назад
ByteSprint
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7 просмотров · 23 ч назад
🚀 In this video, we solve *LeetCode 453 – Minimum Moves to Equal Array Elements* using Java.
We will understand the problem step by step, build the mathematical intuition, and derive an optimized solution.
📌 Topics Covered
Problem explanation with examples
Brute Force approach
Mathematical observation
Optimized Java solution
Time and Space Complexity
LeetCode problem-solving techniques
💡 Key Intuition
In one move, we increment `n - 1` elements by 1.
Instead of incrementing `n - 1` elements, we can think of it as decrementing the remaining element by 1.
Therefore, the minimum number of moves is:
`Answer = Sum of all elements - (n × Minimum element)`
⏱️ Complexity Analysis
*Brute Force Approach*
Time Complexity: Depends on the implementation; repeated simulation can require many operations.
Space Complexity: `O(1)` auxiliary space.
*Optimized Approach*
Time Complexity: `O(n)` – one traversal of the array.
Space Complexity: `O(1)` – constant extra space.
💻 LeetCode Problem
*453. Minimum Moves to Equal Array Elements*
🔗 Problem Link: https://leetcode.com/problems/minimum-move...
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