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A puzzle whose solution is a methodological plan of action for realizing a specific goal.

0 votes

How could Larry get his friends on a plane without knowing their weights?

This is not really in the spirit of the puzzle, but I'll add it for completeness. A pilot does not actually need to know the weight of every person on board. They need to know a) the total of moments …
DJClayworth's user avatar
2 votes

Can the cop catch the thief?

In my other answer I ask what happens at $t=2/3$ (with the thief following his "optimum" strategy). …
DJClayworth's user avatar
21 votes

Can the cop catch the thief?

(The thief can make things easier by choosing a worse strategy, but however much worse the thief plays the cop cannot improve on this strategy). … You only have to choose a strategy at a specific point in time. So a valid strategy might be "always choose to move left at full speed". …
DJClayworth's user avatar