Convert a given number to its Roman representation.
For example, if the number is 98, it should display 'XCVIII'
copy of Problem 63.
Test if a Number is a Palindrome without using any String Operations
does it touch ?
Find Factrorial without using built-in function
Concatenate two strings
Find the dimensions of a matrix
Create the following sequence : 0 1 1 4 9 25 64 169 ...
Find the area of the four walls
Reverse a matrix
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