问题
选择题
— Excuse me, may I your eraser? Mine is at home.
— Yes, here you are. [ ]
A. borrow
B. keep
C. buy
D. have
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— Excuse me, may I your eraser? Mine is at home.
— Yes, here you are. [ ]
A. borrow
B. keep
C. buy
D. have
答案：A
若有以下程序段 q=S； S=S->next；P=S；while(P->next)P=P->next；P->next=q； q->next=NULL； 该程序段实现的功能是【 】。