What is this digit operation?
0 -> 0
1 -> 9
121 -> 9
44 -> 6
15 -> 5
1243 -> 7
Back to basics 15 - Benchmark
Sum of diagonal of a square matrix
matrix of natural number
Is it a number?
07 - Common functions and indexing 1
BLOCK x3 (Version 3)
Sum of big primes without primes
Pandigital number n°3 (Inspired by Project Euler 32)
Decrypt the cypher using XOR encryption (for beginners)
Can you beat the lottery again (for hardcore coder) ?
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