LeetCode 1460: Make Two Arrays Equal by Reversing Subarrays Solution

Master LeetCode problem 1460 (Make Two Arrays Equal by Reversing Subarrays), 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.

1460. Make Two Arrays Equal by Reversing Subarrays

Easy

Array Hash Table Sorting

Problem Explanation

Explanation

To solve this problem, we need to check if we can transform array arr into array target by reversing any subarrays within arr. We can achieve this by sorting both arrays and then comparing them. If the arrays are equal after sorting, we can return true; otherwise, we return false.

Sort both target and arr arrays.
Compare the sorted arrays element by element.
If all elements are the same, return true; otherwise, return false.

Time complexity: O(n log n) where n is the length of the input arrays. Space complexity: O(n) where n is the length of the input arrays.

Solution Code

import java.util.Arrays;

class Solution {
    public boolean canBeEqual(int[] target, int[] arr) {
        Arrays.sort(target);
        Arrays.sort(arr);
        
        for (int i = 0; i < target.length; i++) {
            if (target[i] != arr[i]) {
                return false;
            }
        }
        
        return true;
    }
}

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