To find me, you must first find my pairs,
A swarm of creatures, skittering inside walls,
Torturing the old way, sometimes using a chair,
A powerful figure, there until its empire falls,
Or some activities, one might enjoy in their lair.
Who am I?
A man is only capable of telling the truth four hours a day, and they are either TTFTT or TFTTT (equiprobable). On the other twenty hours, he lies. All hours between 7pm and 6am are night, 7am and 11am are morning, noon and 4pm are afternoon, 5pm and 6pm are evening.
He gives these statements in ...
You are the lead mail inspector for a large prison. One of your jobs is to check all incoming and outgoing mail for any contraband and for any hidden information or codes, which are often of a criminal nature.
One of the past repeat-offender prisoners, Daryl, has just attempted to mail a Valentin...
I'll be offline for my sabbath, so the SHA-256 hash of the answer (all in lowercase, with a single space between the two words) is 1a8e99c5d543c53fb694d912f86ac0576fa756ac6dfba6449281f1f9286467f6
The Pawn March Problem is something I just came up with, and I thought it was interesting enough to share.
White has a line of $n$ pawns on an infinite chess board, all on rank 0 (negative positions are legal, and pawns may never make double moves). Black has a single rook on $ωω$. Assuming opt...