Crossings

[HrGaertner]

Hello if i understood it right you did not implement crossings, right?

Best Regards

[Horacehxw]

Exactly，I was just implementing this for a math modeling contest. Didn't think that much.... Horace He HrGaertner <notifications@github.com> 于 2020年5月17日周日 02:03写道：

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