摘要： SquaresTime Limit:3500MSMemory Limit:65536KTotal Submissions:11235Accepted:4096DescriptionA square is a 4-sided polygon whose sides have equal length and adjacent sides form 90-degree angles. It is also a polygon such that rotating about its centre by 90 degrees gives the same polygon. It is not the 阅读全文

摘要： Flavius Josephus ReloadedTime Limit:2000MSMemory Limit:65536KTotal Submissions:1728Accepted:651DescriptionFlavius Josephus once was trapped in a cave together with his comrade soldiers surrounded by Romans. All of Josephus’ fellow soldiers preferred not to surrender but to commit suicide. So they al 阅读全文