For example, consider the route of a subway station

Asked May 14 '22 at 11:01

Active May 16 '22 at 05:34

Viewed 21 times

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I want to go from a station called A to a station called U, but there are multiple routes from A station to U station. It is easy to think of the shortest route to U station at that time, but I do not know the program to investigate the route to a few stations on the way. Does anyone know how to write a program that does not change the goal at U Station, but makes 4 or 6 variable such as 4 stations ahead or 6 stations ahead?

edited May 16 '22 at 05:34

false

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asked May 14 '22 at 11:01

zen_mac

Please provide enough code so others can better understand or reproduce the problem. – Community May 14 '22 at 21:14
See [`path/4`](https://stackoverflow.com/q/30328433/772868). – false May 16 '22 at 05:36

For example, consider the route of a subway station

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