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Reverse Audit Trail
Reverse Audit Trail
Easy
Linked List
In "Reverse Audit Trail", a singly linked sequence is represented as an array in input order.
Return the sequence in reversed order as if the linked list pointers were fully reversed.
Example 1
Input:
head = [19,20,21,22]Output:
[22,21,20,19]For input head = [19,20,21,22], reversing the node direction makes the values appear in reverse order, so the output is [22,21,20,19]. Therefore, return [22,21,20,19].
Example 2
Input:
head = [38,39,40,41]Output:
[41,40,39,38]For input head = [38,39,40,41], reversing the node direction makes the values appear in reverse order, so the output is [41,40,39,38]. Therefore, return [41,40,39,38].
Constraints
0 <= head.length <= 5000-5000 <= head[i] <= 5000
solution.js
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Test Cases (2)
Test Case 1
Input:
[19,20,21,22]Expected Output:
[22,21,20,19]Test Case 2
Input:
[38,39,40,41]Expected Output:
[41,40,39,38]