Problem 121. surface of a spherical planet

Created by AMITAVA BISWAS

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you just discovered its circumference, that is the input.

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1504 Solutions
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Last Solution submitted on Dec 04, 2019

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William Smith on 25 Sep 2012

I think the problem should be called 'surface AREA' of a spherical planet.

Solution Comments

Solution 41647

1 Comment

1 Comment

Sam on 23 May 2012

Solution 18514

3 Comments

3 Comments

Aurelien Queffurust on 13 Feb 2012

I need to remember that using 0.31830988618379067154 is less expensive (size 14) than using 1/pi (size 15) ;)

Yvan Lengwiler on 1 Mar 2012

Yeah. But this is useful only within Cody. For real work it would be crazy to program it this way.

William Smith on 25 Sep 2012

Only if you are writing for a low solution size. There's on penalty for writing for clarity, and it's preferred in the real world...

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basic matlab planet

Problem 121. surface of a spherical planet

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Last 200 Solutions

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Problem Recent Solvers747

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Problem 121. surface of a spherical planet

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Last 200 Solutions

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Problem Recent Solvers747

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