2017年8月16日
SPFA
摘要： S - Layout POJ - 3169 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. 阅读全文
posted @ 2017-08-16 18:47 暴力都不会的蒟蒻 阅读(221) 评论(0) 推荐(0)