cf/mirror

Not a Geometry Problem

CF
1812E1s256 MB⌨ stdin/stdout
#*special#constructive algorithms#geometry#math

Examples

Sample 1of 4
Input
1 1 1
Output
1.7320508075688772
Sample 2of 4
Input
1 -2 -2
Output
21.727922061357855
Sample 3of 4
Input
998 244 353
Output
-0.0006269592476489029
Sample 4of 4
Input
0 0 0
Output
1792283455048516.3
1812E.cpp
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Ln 11·137 BGNU C++20 (64)