数据结构、AOE、关键路径。 求关键路径 读入ＡＯＥ网数据，建立其邻接表存储结构； 输出各关键活动的起点编号、终点编号和权； 　输出最短工期；-Data structure, AOE, the critical path. Finding the Critical Path reads the AOE network data, establish its adjacency list storage structure output the shortest durati