2017年6月11日
USACO 6.5 Betsy's Tour （插头dp）
摘要： A square township has been divided up into N2 square plots (1 <= N <= 7). The Farm is located in the upper left plot and the Market is located in the 阅读全文
posted @ 2017-06-11 16:13 sigongzi 阅读(477) 评论(1) 推荐(0) 编辑