Can Anyone Help me to solve this Spoj problem of bfs using python

Revision en1, by MetaCoder, 2019-10-22 19:58:21
Tags #bfs, #graph

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en2 English MetaCoder 2019-10-23 10:14:09 0 (published)
en1 English MetaCoder 2019-10-22 19:58:21 101 Initial revision (published)