解题思路:
注意事项:
import java.util.Scanner; public class test1491 { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner scanner=new Scanner(System.in); int szcou=scanner.nextInt(); int jhcou=scanner.nextInt(); int[] a=new int[szcou]; for (int i = 0; i < a.length; i++) { a[i]=scanner.nextInt(); } for (int i = 0; i < jhcou; i++) { int x=scanner.nextInt(); int y=scanner.nextInt(); int z=a[x-1]; a[x-1]=a[y-1]; a[y-1]=z; } for (int i : a) { System.out.println(i); } } }
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