A.空或只有一個(gè)結(jié)點(diǎn) B.任一結(jié)點(diǎn)無(wú)左子樹(shù) C.高度等于其結(jié)點(diǎn)數(shù) D.任一結(jié)點(diǎn)無(wú)右子樹(shù)
A.前序線索樹(shù)B.中序線索樹(shù)C.后序線索樹(shù)