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Bear and Clique Distances(构造基点+Dijkstra)
Bearland consists of N cities, numbered 1 through N. Cities are connected with bidirectional roads. Cities 1 through K were built a long time ago, wh...
2019-04-03
0
755
Paths and Trees (Dijkstra单源最短路+边权值和最小)
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found thi...
2019-02-27
0
508