Shortest Route Puzzles: How to Find the Fewest Steps by Hand
Spread outward from the start, settle the nearest place first and trace back. Worked road map, rook board example, reachability check and a practice puzzle.
Riddle10 blog
Riddle10 blog
Spread outward from the start, settle the nearest place first and trace back. Worked road map, rook board example, reachability check and a practice puzzle.