用C++语言解决关键路径问题，求图的关键路径原代码，可直接运行-CMP problem

关键路径问题，用二叉树的方法去实现如何和查找关键的路途，帮助你怎样选择最佳路径。-Critical path problem, the binary tree method to achieve and how to find the key to the road, to help you how to choose the best path.