Swap Nodes in Pairs
Medium
Linked Lists
Linked List
Recursion
Swap every two adjacent nodes. Print resulting list.
Constraints
Nodes ≤ 100
Examples
Example 1:
Input: 1 2 3 4
Output: 2 1 4 3
Example 2:
Input:
Output:
Tests:
Runtime:
Memory:
Test
Input:
Expected:
Got:
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