3 ms·
How do I know that you, the selector of the 100 digit number, are not an enemy spy?
by Gupie 16y ago
How do I know that you, the selector of the 100 digit number, are not an enemy spy?
- motxilo 16y agoEvery "good" spy chooses his X, and sends the corresponding Y to the guards. No need to involve a 3rd person in between like in your solution.