what the hell?why my code can work on my computer?while it report error here
It looks like your solution uses the symbolic math toolbox. I am assuming that that is not available to Cody solutions.
Sums with Excluded Digits
Make one big string out of two smaller strings
2 b | ~ 2 b
Set the array elements whose value is 13 to 0
07 - Common functions and indexing 3
Tune your guitar
Maintain shape of logical-index mask
Cull vector elements that contain a specified digit
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