新大陆 pt850盘点机编程源代码。 绝对完整，正确，可用。N年前开发好了，用了N年，N多人在使用中。有问题别问我，自己看开发手册去。特别奉献出来的。-New World pt850 inventory machine programming source code. Absolutely complete, accurate and available. N years ago, developed well, with the N years, N more than in use. D

有一个小型超市，出售N（N>＝10）种商品，设计并实现一个系统，完成下列功能： 1． 保存及输出。 2． 计算并排序。 3． 统计。-There is a small supermarket, sell N (N> = 10) kinds of goods, design and implement a system, perform the following functions: 1. Preservation and output. 2. Calculated an