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18 年
exercise2_zhangming.md
8.1.1 假设一个记录长 32B,一块长 1024B(因此每个块有 32 个记录),工作内存是 1MB(还有用于 I/O 缓冲区、程序变量等的其他存储空间)。使用置换选择和多路归并,其中归并算法只允许扫描两遍。预计能得到的文件最长为多少?试解释是怎样得到这个结果的 8.1. ...
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