A quiet enigma. We don't know anything about ais523 yet.
Brachylog, 16 bytes g₂;.z∋zbᵗ×ᵐ/ℤ↰|w Try it online! This is a function submission, which inputs n from the left and A from the right (as a list of two-element lists). Output is to standard out...
posted 5y ago by ais523