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by johnsonjo 607 days ago
Sounds like problem 15 [1]?

[1]: https://projecteuler.net/problem=15

1 comments

Yup! That was it!
If you want a few similar problems, in ascending order of difficulty, try #81 through #83:

https://projecteuler.net/problem=81

https://projecteuler.net/problem=82

https://projecteuler.net/problem=83

Couldn't all three of those be solved using the A* path-finding algorithm?
Sshhh...