摘要: 传送门 https://www.luogu.org/problemnew/show/P4014 题解 km算法(费用流算法)裸题。 最小总效益把边权取负即可。 cpp include include include include include define inf 0x7f7f7f7f usin 阅读全文
posted @ 2019-01-05 16:26 Alseo_Roplyer 阅读(119) 评论(0) 推荐(0) 编辑