A little warm-up to begin...
An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE.
For example, the 5-digit number 15234, is 1 through 5 pandigital.
Given a positive integer find whether it is a pandigital number.
surface of a spherical planet
pressure to dB?
Create a vector whose elements depend on the previous element
Return area of square
Relative ratio of "1" in binary number
Find Missing Number
Expression or variable?
Numbers spiral diagonals
Decrypt the cypher using XOR encryption (for beginners)
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