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General unfoldings of nonconvex polyhedra
Decide whether every polyhedron can be cut open, with cuts anywhere on its surface, and flattened into one non-overlapping piece.
比较改动
选两个分支看看改了什么，再发起 PR 把工作带过去。
选两个不同的分支
PR 可以从任何一个分支合入任何另一个分支。
Decide whether every polyhedron can be cut open, with cuts anywhere on its surface, and flattened into one non-overlapping piece.
选两个分支看看改了什么，再发起 PR 把工作带过去。
PR 可以从任何一个分支合入任何另一个分支。