输入：第一行四个浮点数，分别是起始顶点和对角顶点的坐标x1 y1 x2 y2。然后是不定个数的变换，每个变换一行，每行第一个数据是字符，'T’表示平移，'S’表示对称。如果是平移，后面的数据为两个整数，分别表示X方向和Y方向的平移量；如果是对称，后面是一个整数：0表示以原点为参照求对称点，1 表示以X轴为参照求对称点，2表示以Y轴为参照求对称点。数据中间用空格分隔。所有数据均为整数。 参见样例： 输入： 1 2 4 6 T 2 3 S 1 S 2 S 0 T 4 5 输出： (7,10)(10,14) 12
import java.util.Scanner; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in); float x1, x2, y1, y2; x1 = in.nextFloat(); y1 = in.nextFloat(); x2 = in.nextFloat(); y2 = in.nextFloat(); char m; Rectangle A = new Rectangle(x1, x2, y1, y2); Point p1 = new Point(x1, y1); Point p2 = new Point(x2, y2); while (in.hasNext()) { m = in.next().charAt(0); if (m == 'T') { float a, b; a = in.nextFloat(); b = in.nextFloat(); p1.move(a, b); p2.move(a, b); } if (m == 'S') { int c; c = in.nextInt(); if (c == 0) { A.change0(x1, x2, y1, y2); } if (c == 1) { A.change1(y1, y2); } if (c == 2) { A.change2(x1, x2); } } } p1.shuchu(); p2.shuchu(); A.area(); } } class Point { private float x, y; public Point(float x, float y) { this.x = x; this.y = y; } public Point(Point p) { x = p.x; y = p.y; } public void move(float a, float b) { x += a; y += b; } public void shuchu() { System.out.printf("(%.0f,%.0f)", x, y); } } class Rectangle { private float x1, x2, y1, y2; private Point p1, p2; public Rectangle(float x1, float x2, float y1, float y2) { this.x1 = x1; this.x2 = x2; this.y1 = y1; this.y2 = y2; p1 = new Point(x1, y1); p2 = new Point(x2, y2); } public void change0(float x1, float x2, float y1, float y2) { x1 = -x1; x2 = -x2; y1 = -y1; y2 = -y2; } public void change1(float y1, float y2) { y1 = -y1; y2 = -y2; } public void change2(float x1, float x2) { x1 = -x1; x2 = -x2; } public void area() { System.out.print(" " + (int) (x2 - x1) * (int) (y2 - y1)); } }