Project Euler > Problem 152 > Writing 1/2 as a sum of inverse squares (Java Solution)

Problem:

There are several ways to write the number 1/2 as a sum of inverse squares using distinct integers.

For instance, the numbers {2,3,4,5,7,12,15,20,28,35} can be used:

In fact, only using integers between 2 and 45 inclusive, there are exactly three ways to do it, the remaining two being: {2,3,4,6,7,9,10,20,28,35,36,45} and {2,3,4,6,7,9,12,15,28,30,35,36,45}.

How many ways are there to write the number 1/2 as a sum of inverse squares using distinct integers between 2 and 80 inclusive?

Solution:

4613732

Code:
The solution may include methods that will be found here: Library.java .

public interface EulerSolution{

public String run();

}

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