权威例句
Approximation algorithms for NP-complete problems on planar graphsApproximation algorithms for NP-complete problems on planar graphsAn O (n log n) algorithm for maximum st -flow in a directed planar graphApproximation algorithms for NP-complete problems on planar graphsApproximation algorithm for NP-complete problems on planar graphsHow to draw a planar graph on a gridThe monadic second-order logic of graphs XII: planar graphs and planar mapsEvery Planar Graph Is 5-ChoosableFast Algorithms for Shortest Paths in Planar Graphs, with ApplicationsSpectral partitioning works: planar graphs and finite element meshes