摘要: \(-\min\left\{\sum_{u}b_up_u+ \sum_{u, v}c_{u,v}max(0,p_v-p_u-w_{u,v})\right\}\) orz orz 阅读全文
posted @ 2021-12-25 10:58 SegmentTree 阅读(43) 评论(0) 推荐(0) 编辑