本程序的功能是寻找前k条最短路径，在DOS窗口中先输出了网络节点的拓扑结构，然后输入源节点与目的节点，输出最短路径以及前k条最短路径。-The functionality of the program is to find pre-k shortest paths. First output in the DOS window of the topology of the network node, and then enter the source node and destination n