解答代碼

#include<iostream>#include<cstdio>#include<algorithm>using namespace std;typedef struct node{    double x1,y1,x2,y2;}NODE;double max(double x,double y){	if(x<=y)		return y;	else		return x;}double min(double x,double y){	if(x<=y)		return x;	else		return y;}int main(){    NODE m1,m2;    cin>>m1.x1>>m1.y1>>m1.x2>>m1.y2;    cin>>m2.x1>>m2.y1>>m2.x2>>m2.y2;    double maxx1=max(m1.x1,m1.x2),minx1=min(m1.x1,m1.x2),maxy1=max(m1.y1,m1.y2),miny1=min(m1.y1,m1.y2);    double maxx2=max(m2.x1,m2.x2),minx2=min(m2.x1,m2.x2),maxy2=max(m2.y1,m2.y2),miny2=min(m2.y1,m2.y2);	double xx=max(minx1,minx2),yy=max(miny1,miny2);    double x=min(maxx1,maxx2),y=min(maxy1,maxy2);	if(x>xx && y>yy)		PRintf("%.2f/n",(xx-x)*(yy-y));	else		printf("0.00/n");    return 0;}