2017年6月30日
poj3169 Layout
摘要： Like everyone else, cows like to stand close to their friends when queuing for feed. FJ has N (2 <= N <= 1,000) cows numbered 1..N standing along a st 阅读全文
posted @ 2017-06-30 11:56 zbtrs 阅读(197) 评论(0) 推荐(0) 编辑