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.
Test for balanced parentheses
Back to basics 10 - Max Float
Sum the entries of each column of a matrix which satisfy a logical condition.
Getting the indices from a matrice
Rank of magic square (for beginners)
Numbers spiral diagonals (Part 2)
Generalised Hamming Number
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