Problem asks for palindromes starting at 1, but test cases start at 100.
Now it goes down to 10, but wouldn't single digits be considered palindromes as well?
Additional test cases were added and the description slightly enhanced.
Find relatively common elements in matrix rows
How to find the position of an element in a vector without using the find function
Reindex a vector
Find the position of first minimum value in an integer array with numbers
Reverse a matrix
Concatenate two strings
Convert a number to its Roman representation
Find the dimensions of a matrix
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