Chapter 78: Another Encounter with the Extreme

The so-called Caesar cipher is one of the simplest and most well-known encryption methods. In short, it involves shifting all the letters in the alphabet; for instance, "A" becomes "B," "B" becomes "C," and so on. A common English word like "CAN," when encrypted with a Caesar cipher by shifting each letter once, turns into "DBO." It looks like a string of gibberish, but once deciphered, it reveals a meaningful word. "The only thing left to confirm is... how many times the letters have been shifted?"...