摘要:
10603 Fill There are three jugs with a volume of a, b and c liters. (a, b, and c are positive integers not greater than 200). The rst and the second j 阅读全文
摘要:
**1354 Mobile Computing** There is a mysterious planet called Yaen, whose space is 2-dimensional. There are many beautiful stones on the planet, and t 阅读全文