No, you don't read it wrong: this assignment is to return the number of this problem (and not the problem of this number).
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Back to basics 9 - Indexed References
Return the first and last character of a string
Test if two numbers have the same digits
Insert zeros into vector
Given a 4x4 matrix, swap the two middle columns
Operate on matrices of unequal, yet similar, size
Wayfinding 3 - passed areas
Add a row of zeros on top of a matrix
Wayfinding 5 - Travel contour
Wayfinding 2 - traversing
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