01204212/friends

This part of 01204212

Code

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class Main {

	public static void main(String[] args) {
		Main main = new Main();
		
		main.process();
	}
	
	int n,m;
	List<Integer> [] adjList;
	
	void process() {
		readInput();
	}

	private void readInput() {
	    BufferedReader reader = new BufferedReader(
	               new InputStreamReader(System.in) );

	    try {
	    	String[] items = reader.readLine().split(" ");

	    	n = Integer.parseInt(items[0]);
	    	m = Integer.parseInt(items[1]);

	    	adjList = (List<Integer>[])(new List[n]);
	    	for(int i=0; i<n; i++) {
	    		adjList[i] = new ArrayList<Integer>();
	    	}
	    	
	    	for(int i=0; i<m; i++) {
	    		items = reader.readLine().split(" ");
	    		int u = Integer.parseInt(items[0]) - 1;
	    		int v = Integer.parseInt(items[1]) - 1;
	    		
	    		adjList[u].add(v);
	    		adjList[v].add(u);
	    	}
	    } catch(Exception e) {
	    }
	}
}