Hourglass puzzle: Difference between revisions
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println("Use hourglasses from step $i to step $j (inclusive) to sum 9") |
println("Use hourglasses from step $i to step $j (inclusive) to sum 9") |
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</lang>{{out}} |
</lang>{{out}} |
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<pre> |
<pre> |
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Flip an hourglass every time it runs out of grains, and note the interval in time. |
Flip an hourglass every time it runs out of grains, and note the interval in time. |
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Use hourglasses from step 3 to step 6 (inclusive) to sum 9 |
Use hourglasses from step 3 to step 6 (inclusive) to sum 9 |
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</pre> |
</pre> |
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