输入一个年月日，如XXXX/XX/XX，计算是一年的第几天-Input a date, such as XXXX/XX/XX, computing is a year which day

不使用结构体和链表，纯使用字符串操作和文件格式化读写编写的XX管理系统，包括详细设计文档。-Do not use the structure and linked lists, pure string manipulation and file format reading and writing written XX management system, including detailed design document.

输入五个姓名，并将几段名字的首字母大写，能识别空格。最后将输入的名字输出到data文件-Write a programme that reads in the name (Given name+ space+ family name) of 5 persons and writes them to a disk file. Each name in the disk file always starts on a new line. Note that you need consider

基于链表实现的某某信息管理系统。包括增删改查已经保存至文件/从文件读取的功能。包括中文注释-XX management system based on linked list. Contains add/edit/delete operations and save to/read from a data file. All comments are Chinese.