在FlatteningLayer文件的createHeightField函数中:使用的github在2017年1月份的代码 if (!geoms.getComponents().empty()) { osg::ref_ptr<osg::HeightField> hf = HeightFieldUtils::createReferenceHeightField( ex, , , // base tile size for elevation data 0u, // no border true)
CF53E Dead Ends 洛谷评测传送门 题目描述 Life in Bertown has become hard. The city has too many roads and the government spends too much to maintain them. There are nn junctions and mm two way roads, at which one can get from each junction to any other one. The