This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Swap the first and last columns
Which doors are open?
Replace NaNs with the number that appears to its left in the row.
Set some matrix elements to zero
Matlab Basics - Switching Assignments
Add two different item as shown in example
Count number of words in string
Find out sum of prime number till given number
Add two hex numbers
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