摘要：
Recently, Petya learned about a new game "Slay the Dragon". As the name suggests, the player will have to fight with dragons. To defeat a dragon, you 阅读全文
摘要：
Ivan is playing yet another roguelike computer game. He controls a single hero in the game. The hero has 𝑛n equipment slots. There is a list of 𝑐𝑖c 阅读全文