摘要：
1) Before you implement this project, Record your estimate about the time you WILL spend in each component of your program.预计：目录遍历 0.5hword查找与保存 4h排序 1h输出 2h2) After you had implemented this project, record the ACTUAL time you spent in each component of your program.目录遍历 1h 有命令行输入瞬间不会调试了orz 费好大劲才整明白 阅读全文