摘要:Time Limit: 70 Sec Memory Limit: 128 MB Submit: 4711 Solved: 1382 [Submit][Status][Discuss] Description 给一棵树,每条边有权.求一条简单路径,权值和等于K,且边的数量最小.N include in 阅读全文
posted @ 2018-04-10 10:41 嘒彼小星 阅读(116) 评论(0) 推荐(0) 编辑