The Puzzle:
A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?
Carnage.
One person, only a few feet away, survives! How can this be?
Our Solution:
The person was watching it on TV.
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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). |
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. |