摘要：
One steps through integer points of the straight line. The length of a step must be nonnegative and can be by one bigger than, equal to, or by one sma 阅读全文
摘要：
Snap is a 2-player card game. The deck of cards contains several of each type of card. Initially each player has one half of the deck, in some random 阅读全文
摘要：
将许多独立的元素通过某种方式相互合并为若干个集合的方法即为并查集。 阅读全文
摘要：
Buffalo Bill wishes to cross a 1000x1000 square field. A number of snakes are on the field at various positions, and each snake can strike a particula 阅读全文