基础练习 矩形面积交

 1 #include<iostream>
 2 #include<algorithm>
 3 
 4 using namespace std;
 5 
 6 int main(){
 7     double x1,x2,y1,y2;
 8     double x3,x4,y3,y4;
 9     double m1,n1;
10     double m2,n2;
11     cin>>x1>>y1>>x2>>y2;
12     cin>>x3>>y3>>x4>>y4;
13     m1 = max(min(x1,x2),min(x3,x4));
14     n1 = max(min(y1,y2),min(y3,y4));
15     m2 = min(max(x1,x2),max(x3,x4));
16     n2 = min(max(y1,y2),max(y3,y4));
17     if(m1 < m2 && n1 < n2){
18         printf("%.2lf\n",(m2 - m1) * (n2 - n1));
19     }
20     else 
21         printf("0.00\n");
22     return 0;
23 }