蓝桥杯基础练习VIP-矩形面积交-题解（Java代码）

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

double x1=scanner.nextDouble();

double y1=scanner.nextDouble();

double x2=scanner.nextDouble();

double y2=scanner.nextDouble();

double x3=scanner.nextDouble();

double y3=scanner.nextDouble();

double x4=scanner.nextDouble();

double y4=scanner.nextDouble();

double p1=Math.max(Math.min(x1, x2), Math.min(x3, x4));

double p2=Math.min(Math.max(x1, x2), Math.max(x3, x4));

double q1=Math.max(Math.min(y1, y2), Math.min(y3, y4));

double q2=Math.min(Math.max(y1, y2), Math.max(y3, y4));

if(p1>p2 || q1>q2)

System.out.println("0.00");

else

System.out.printf("%.2f",(p2-p1)*(q2-q1));

}

}