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Backorder Chain Flip
Backorder Chain Flip
Medium
Linked List
In "Backorder Chain Flip", 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 = [16,17,18,19,20]Output:
[20,19,18,17,16]For input head = [16,17,18,19,20], reversing the node direction makes the values appear in reverse order, so the output is [20,19,18,17,16]. Therefore, return [20,19,18,17,16].
Example 2
Input:
head = [32,33,34,35]Output:
[35,34,33,32]For input head = [32,33,34,35], reversing the node direction makes the values appear in reverse order, so the output is [35,34,33,32]. Therefore, return [35,34,33,32].
Constraints
0 <= head.length <= 5000-5000 <= head[i] <= 5000
solution.js
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Test Cases (2)
Test Case 1
Input:
[16,17,18,19,20]Expected Output:
[20,19,18,17,16]Test Case 2
Input:
[32,33,34,35]Expected Output:
[35,34,33,32]