I want to ask a question about shortest paths!

Правка en1, от Warriors_Cats, 2020-07-26 14:28:15

Hello, guys! Can anyone help me with an appropiate approach on this problem: https://cses.fi/problemset/task/1203/. I have already wasted all my efficient ideas on this topic. Any eligible answer would be appreciated! Thanks a lot!

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en3 Английский Warriors_Cats 2020-07-26 14:36:17 61
en2 Английский Warriors_Cats 2020-07-26 14:30:31 2 Tiny change: 'task/1203/.\nI have a' -> 'task/1203/?\nI have a'
en1 Английский Warriors_Cats 2020-07-26 14:28:15 278 Initial revision (published)