第9题: [单项选择]How will the woman spend her holiday A. She’ll stay at home. B. She’ll visit some friends. C. She will go on a trip. 参考答案:C 答案解析:[听力原文] M: How are you going to spend your holiday W: I think I’ll go to visit some places of
第29题: [单项选择]对n个记录的文件进行归并排序,所需要的辅助存储空间为 A. O(1) B. O(n) C. O(log2n) D. O(n2) 参考答案:B 答案解析:[解析] 本题考核的是归并排序的空间开销。对n个记录的文件进行归并排序,执行时间为O(1og2n),需要的附加存储空间为O(n)。所以,本题的答案是B。