import java.util.Scanner; /** * HJ83 二维数组操作 - 简单 */ public class HJ083 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int r, c, r1, c1, r2, c2, ri, ci, rt, ct; while (sc.hasNext()) { r = sc.nextInt(); c = sc.nex...