AdjacencyList

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

public class Text_Read {
    public static int [][] adjMatrix;
            /**
         * @param args the command line arguments
         */
        public static void main(String[] args) {
        try{
            Scanner sc=new Scanner(new File("E:\\aa.txt"));
            String [] spaceSplit;

            String temp1=sc.nextLine();
            Integer v=Integer.parseInt(temp1);

            String temp2=sc.nextLine();
            Integer e=Integer.parseInt(temp2);

            adjMatrix=new int[v][v];
            while(sc.hasNext())
            {
            String line=sc.nextLine();
            spaceSplit=line.split(" ");
            String tempo1=spaceSplit[0];
            String tempo2=spaceSplit[1];

            int x=Integer.parseInt(tempo1);
            int y=Integer.parseInt(tempo2);

            adjMatrix[x][y]=1;
            }

            for(int i=0;i<v;i++) {
                for(int j=0;j<v;j++) {
                    System.out.print(adjMatrix[i][j]+",");
                }
                System.out.println();
            }

}
        catch(Exception  e){
            //System.out.println(e);
            e.printStackTrace();
        }
        }
}