Test for randomness could be tightened (cf. Solution 1490988).
All your base are belong to us
Flip the main diagonal of a matrix
Is it an Armstrong number?
05 - Vector Equations 3
Is this triangle right-angled?
07 - Common functions and indexing 3
04 - Scalar Equations 3
07 - Common functions and indexing 6
02 - Vector Variables 4
06 - Matrix Equations 3
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