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.
Given two strings, find the maximum overlap
Right and wrong
Project Euler: Problem 5, Smallest multiple
Scoring for oriented dominoes
Replace multiples of 5 with NaN
Add more zeros
Can you beat the lottery again (for hardcore coder) ?
Rank of magic square (for beginners)
BLOCK x3 (Version 4)
Narcissistic number ?
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