就如圖所示的樹(shù)回答下面問(wèn)題:
(1)哪個(gè)是根結(jié)點(diǎn)?
(2)哪些是葉子結(jié)點(diǎn)?
(3)哪個(gè)是E的父結(jié)點(diǎn)?
(4)哪些是E的子孫結(jié)點(diǎn)?
(5)哪些是E的兄弟結(jié)點(diǎn)?哪些是C的兄弟結(jié)點(diǎn)?
(6)結(jié)點(diǎn)B和結(jié)點(diǎn)I的層數(shù)分別是多少?
(7)樹(shù)的深度是多少?
(8)以結(jié)點(diǎn)G為根的子樹(shù)的深度是多少?
(9)樹(shù)的度是多少?