中文说明：针对背包问题的求解，本程序选择用ＰＳＯ算法解决了背包问题，经过测试，算法运行效果较好，为求解背包问题提供了一个范例，同时可以在源程序的基础上对算法性能进行改进，以使得优化的效果更好。
English Description：
Solving knapsack problem, and this program selection PSO algorithm for solving knapsack problems, tested and running better, and provides an example for solving knapsack problem, as well as in the source program based on performance improvements, to make an optimized better.