LIFE CODING WITH JAVA
Swap Alternate
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You have been given an array/list(ARR) of size N. You need to swap every pair of alternate elements in the array/list.
You don't need to print or return anything, just change in the input array itself.
Sample Input 1:
1
6
9 3 6 12 4 32
Sample Output 1 :
3 9 12 6 32 4
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