implementation of the coin changing problem using greedy algorithm.

用Visual C++编写的程序，利用贪心算法实现背包问题-Using Visual C++ to prepare the procedures for implementation the use of greedy algorithm knapsack problem

最小费用有向树问题的一种贪心算法实现，采用的是逆邻接表的存储结构，然后求出有向图的最小费用树-Minimum cost directed tree problems, a greedy algorithm, using the inverse adjacency table storage structure, and then calculated the minimum cost directed graph tree

Knapsack by brute force and greedy algorithm