Dijkstra solutions

Dijkstra was solved using R by 4 contestants. Solution sizes: average 2248 bytes (shortest: 1162; longest: 3272).

318.

Mc... (S) (1162 B)
2045.

Tofeeq (S, L) (2465 B)
3499.

esmalecha (S) (3272 B)
4474.

TomHall (S) (1888 B)