0165. Two Cylinders
| Input file name: | twocyl.in |
| Output file name: | twocyl.out |
| Time limit: | 2 s |
| Memory limit: | 32 megabytes |
In this problem your task is very simple.
Consider two infinite cylinders in three-dimensional space, of radii R1 and R2 respectively, located in such a way that their axes intersect and are perpendicular.
Your task is to find the volume of their intersection.
Input file
Input file contains two real numbers R1 and R2 (1 ≤ R1, R2 ≤ 100);
Output file
Output the volume of the intersection of the cylinders. Your answer must be accurate up to 10-4.
Examples:
| twocyl.in | twocyl.out |
|---|---|
| 1 1 | 5.3333 |
Source: Petrozavodsk Summer 2003. Final Contest, Saturday, August 30
Author: Andrew Stankevich
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