Problem F. Circular Area
Your task is to write a program, which, given two circles,
calculates the area of their intersection with the accuracy of two
digits after decimal point.
Input file format
In the single line of input file there are space-separated real numbers
x1 y1 r1 x2 y2 r2
They represent center coordinates and radii of two circles.
Output file format
The output file must contain single real number — the area.
||Input file (
|Output file (|
20.0 30.0 15.0 40.0 30.0 30.0