1.纯暴力白嫖分
import java.util.*;
public class Main {
public static void main (String []args) {
Scanner a = new Scanner(System.in);
int x1,x2,x3,x4,y1,y2,y3,y4;
x1 =a.nextInt();
y1 =a.nextInt();
x2 =a.nextInt();
y2 =a.nextInt();
x3 =a.nextInt();
y3 =a.nextInt();
x4 =a.nextInt();
y4 =a.nextInt();
int area1 = (x2-x1)*(y2-y1);
int area2 = (x4-x3)*(y4-y3);
System.out.println(area1+area2);
}
}
2.穷举(我发现情况有点