摘要: 题面:https://www.luogu.org/problem/P1073 cpp 建三层图,下第一层表示买,下第二层表示卖,没下表示没有进行贸易,然后跑最长路即可. Code: include include include include include include include inc 阅读全文
posted @ 2019-10-18 13:14 prestige 阅读(133) 评论(0) 推荐(0) 编辑