import java.io.*;
import java.util.*;

public class Path {
	public static void main(String args[]) {
		int from = 0;
		int to = 0;
		if(args.length > 1) {
			from = Integer.parseInt(args[0]);
			to = Integer.parseInt(args[1]);			
		}
		try {
			ListGraph graph = createGraph("Distances.txt");
			findShortestWay(from, to);
		} catch(IOException e) {
			System.err.println("Warning! Exception: "+e.toString());
		}
	}
	
	private static ListGraph createGraph(String filename) throws IOException {
		 ListGraph graph = null;
		 Scanner in = new Scanner(new File(filename));
		 
		 String tmp;
		 while(in.hasNext()) {
			 tmp = in.nextLine();
			 if(tmp.length() > 0) {
			 	String[] data = tmp.split(" +");
			 
			 	System.out.println(Arrays.toString(data));
			 	if(isInt(data[0]) && graph == null) {
			 		graph = new ListGraph(Integer.parseInt(data[0]));
			 	} else if(isInt(data[0]) && isInt(data[1]) && isInt(data[2])) {
			 		graph.addEdge(Integer.parseInt(data[0]), Integer.parseInt(data[0]), Integer.parseInt(data[0]));
			 	}
			 }
		 }
		 return graph;
	}
	
	private static boolean isInt(String word) throws IOException {
		char[] wordChars = word.toCharArray();;
		for(int i=0; i<wordChars.length; i++) {
			if(!Character.isDigit(wordChars[i])) {
				return false;
			}
		}
		return true;
	}
	
	private static void findShortestWay(int from, int to) {
		
	}
}