本文件夹是贪心算法的一种延伸，即最优路径，与以往的孙发不同之处在于添加了限制路径，是贪心算法的提高。其中还有知道PPT。-This folder is an extension of the greedy algorithm, namely the optimal path, different the past, Sun made that added restrictions path, is to improve the greedy algorithm. Which also know