在APKPure安全快速地下载APK
APKPure 使用签名验证功能,确保为您提供无病毒的 UnTangle APK 下载。
使其平面!
Planar graph can be drawn in such a way that no edges cross each other.
Can you untangle the graph? See if you can position the vertices so that no two lines cross. Crossing lines are red colored.