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Breaking Up a Chocolate Bar - Solution
Puzzles -> Logic Puzzles
 The Puzzle: How many steps are required to break an m x n bar of chocolate into 1 x 1 pieces?
You can break an existing piece of chocolate horizontally or vertically.
You cannot break two or more pieces at once (so no cutting through stacks). |
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(Scroll down if you really want
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The Solution . . .
You need mn – 1 steps.
By breaking an existing piece horizontally or vertically, you merely increase the total number of pieces by one.
You already have 1 piece, so need mn – 1 steps to get to mn pieces. |
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