void Start() { int s = 5; EdgeWeightedDigraph G = new EdgeWeightedDigraph(txt); // find shortest path from s to each other vertex in DAG AcyclicSP sp = new AcyclicSP(G, s); for (int v = 0; v < G.V(); v++) { if (sp.hasPathTo(v)) { string str = (s + " to " + v + " ditance=" + sp.DistTo(v)); foreach (DirectedEdge e in sp.pathTo(v)) { str += (" " + e); } print(str); } else { print(s + " to " + v + " no path\n"); } } }
/**/ public static void main(string[] strarr) { In i = new In(strarr[0]); int i2 = Integer.parseInt(strarr[1]); EdgeWeightedDigraph edgeWeightedDigraph = new EdgeWeightedDigraph(i); AcyclicSP acyclicSP = new AcyclicSP(edgeWeightedDigraph, i2); for (int j = 0; j < edgeWeightedDigraph.V(); j++) { if (acyclicSP.hasPathTo(j)) { StdOut.printf("%d to %d (%.2f) ", new object[] { Integer.valueOf(i2), Integer.valueOf(j), java.lang.Double.valueOf(acyclicSP.distTo(j)) }); Iterator iterator = acyclicSP.pathTo(j).iterator(); while (iterator.hasNext()) { DirectedEdge obj = (DirectedEdge)iterator.next(); StdOut.print(new StringBuilder().append(obj).append(" ").toString()); } StdOut.println(); } else { StdOut.printf("%d to %d no path\n", new object[] { Integer.valueOf(i2), Integer.valueOf(j) }); } } }