11232 - Cylinder

[Jan]

Try the cases.

Input:

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1 10
1 11
0 0

Output:

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0.785
0.850

Hope these help.

[Carunty]

Thank you for Jan.

It is a logic error rather than precision error.

[vahid sanei]

we have two state , w is CIRCUMFERENCE or x ( L - 2 * r ) be CIRCUMFERENCE

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Accepted 

[newkid]

My code passes all the input posted in this thread, yet it manages to get WA.
Any help is appreciated.

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Removed.. Got accepted

[newkid]

Got Acc..

I had success with lower eps value (instead of 1e-9 instead of 1e-6).

I think binary search is not at all needed as the max volume can be at the terminal values only. Haven't tried that out yet though.