LeetCode 3423: Maximum Difference Between Adjacent Elements in a Circular Array Solution

Master LeetCode problem 3423 (Maximum Difference Between Adjacent Elements in a Circular Array), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

3423. Maximum Difference Between Adjacent Elements in a Circular Array

Easy

Array

Problem Explanation

Explanation:

To find the maximum absolute difference between adjacent elements in a circular array, we can iterate through the array and calculate the absolute difference between each pair of adjacent elements. We need to consider the circular nature of the array, so we also calculate the absolute difference between the last and first elements in the array. The maximum of these differences will be our answer.

Initialize a variable maxDiff to store the maximum absolute difference.
Iterate through the array and calculate the absolute difference between each pair of adjacent elements.
Calculate the absolute difference between the last and first elements.
Update maxDiff with the maximum of all these differences.
Return maxDiff as the result.

Time Complexity: O(n), where n is the number of elements in the array. Space Complexity: O(1)

Solution Code

class Solution {
    public int maxDiff(int[] nums) {
        int maxDiff = 0;
        for (int i = 0; i < nums.length - 1; i++) {
            maxDiff = Math.max(maxDiff, Math.abs(nums[i] - nums[i + 1]));
        }
        maxDiff = Math.max(maxDiff, Math.abs(nums[nums.length - 1] - nums[0]));
        return maxDiff;
    }
}

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