Nowara_Shinnosuke的博客

Description     The game named "Same" is a single-person game played on a 10 by 15 board. Each square contains a ball colored red (R), green (G), or blue (B). Two balls belong to the same cluster if

Description     In Dorothy Sayers' novel "Have His Carcass", Lord Peter Wimsey describes a cryptography technique that is simple for encoding and decoding, yet relatively hard to crack. Your job is t