随笔分类 -  树 or 图上问题

Codeforces Manthan, Codefest 18 (rated, Div. 1 + Div. 2) D，E
摘要：D. Valid BFS? time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Valid BFS? time limit p 阅读全文
posted @ 2018-09-04 22:33 灬从此以后灬 阅读(255) 评论(0) 推荐(0)
HDU 6370 dfs+并查集
摘要：Werewolf Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1381 Accepted Submission(s): 386 Probl 阅读全文
posted @ 2018-08-09 18:14 灬从此以后灬 阅读(143) 评论(0) 推荐(0)
牛客网暑期ACM多校训练营（第六场）G
摘要：https://www.nowcoder.com/acm/contest/144/G 链接：https://www.nowcoder.com/acm/contest/144/G来源：牛客网 In Viridian forest there is a tree T formed by N nodes, 阅读全文
posted @ 2018-08-08 20:16 灬从此以后灬 阅读(211) 评论(0) 推荐(0)