RuntimeError with a Dijkstra problem

Правка en1, от EbraM96, 2017-10-20 09:12:57

http://codeforces.me/gym/100495/problem/A

I don't know why this code produces a RTE!

Solution

Could any one please help me find the problem with it?

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en1 Английский EbraM96 2017-10-20 09:12:57 224 Initial revision (published)