(1)起訖點(diǎn)不同的單一路線規(guī)劃問(wèn)題 (2)多個(gè)起訖點(diǎn)的路線規(guī)劃問(wèn)題 (3)起點(diǎn)和終點(diǎn)相同的路線規(guī)劃問(wèn)題