codechef jan cookoff 2015 (ANKMARKS) dijkstra

Правка en1, от jugal_sahu, 2015-06-26 09:11:30

I was reading editorial editorial for problem here.There was a problem link here and editorial for that here. I got what is written in editorial but don't know why that works.Can anybody comment on correctness of algorithm.thanks.

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en1 Английский jugal_sahu 2015-06-26 09:11:30 560 Initial revision (published)