[백준] 10813번 공 바꾸기

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		
		Scanner kb = new Scanner(System.in);
		
		int n = kb.nextInt();
		int m = kb.nextInt();
		
		int[] bucket = new int[n+1];
		
		for(int i=1; i<=n; i++) {
			bucket[i] = i;
		}
		
		for(int i=0; i<m; i++) {
			int a = kb.nextInt();
			int b = kb.nextInt();

			int tmp = bucket[a];
			bucket[a] = bucket[b];
			bucket[b] = tmp;
		}
		
		for(int i=1; i<=n; i++) {
			System.out.print(bucket[i]+" ");
		}
		
	}
}