Can anyone, Please explain Why this code is running? Any dry run on a test case

#1

Can anyone, Please explain Why this code is running?
Any dry run on a test case.

And Can I run directly Leetcode Codes on VSC.

#2

Hey @cbcao263
Check this : https://ide.codingblocks.com/s/346242 for dry run
WE are simply swapping odd elements at last

I am not sure about this

1 Like
#3

Okayy Sir, Thanks for this one.

1 Like
#4

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