Henry Ernest Dudeney/Puzzles and Curious Problems/258 - Deploying Battleships
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Puzzles and Curious Problems by Henry Ernest Dudeney: $258$
- Deploying Battleships
- Ten battleships were anchored in the form here shown.
- The puzzle is for four ships to move to new positions (the others remaining where they are)
- until the ten form five straight rows with four ships in each row.
- How should the admiral do it?
Click here for solution
Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Moving Counter Problems: $258$. -- Deploying Battleships
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Combinatorial & Topological Problems: Point Alignment Puzzles: $440$. Deploying Battleships