2012年10月28日
poj1270 Following Orders
摘要： DescriptionOrder is an important concept in mathematics and in computer science. For example, Zorn's Lemma states: ``a partially ordered set in which every chain has an upper bound contains a maximal element.'' Order is also important in reasoning about the fix-point semantics of program 阅读全文
posted @ 2012-10-28 10:16 萧凡客 阅读(270) 评论(0) 推荐(0)