GeekZRF

摘要： Jokewithpermutation Input file: joke.inOutput file: joke.outJoey had saved a permutation of integers from 1 to n in a text file. All the numbers were wri 阅读全文

摘要： Benny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided into a lot of samll squares. Water pipes are placed in these 阅读全文