不错的证书查询系统源码，希望大家有用！用户名口令都是Admin。-good certificate inquiry system source code, we hope that useful! User name Password are Admin.

实现数组的相关功能，如查询，求和，求平均值，求最大值最小值，排序，查找等，并且有菜单，适合靠C语言二级证书的，或者初学者-To achieve an array of related functions, such as query, sum, average, seeking maximum minimum, sort, search and so on, and there are menus for relying on C-2 certificates, or beginners