摘要:
Problem Statement In the city of Nevermore, there are 108 streets and 108 avenues, both numbered from0 to 108−1. All streets run straight from west to 阅读全文
摘要:
Problem Statement An adult game master and N children are playing a game on an ice rink. The game consists of K rounds. In the i-th round, the game ma 阅读全文