The biggest party of the quadrilateral
Very easy
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
Problems in the plane quadrilateral coordinates of its vertices. Calculate the length of the longest side of the quadrangle.
Input
In a single line separated by spaces X and Y coordinates of vertices of the quadrilateral: first, the point A, then B, then C and D. All input data are integers not exceeding modulo 100.
Output
A single number - the length of longest side. The result is output to two decimal places.
Examples
Input #1
Answer #1
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