问题标题: 酷町堂：2577

#include<bits/stdc++.h>

#include<iostream>

#include<cstdio>

#include<cmath>

#include<string>

#include<algorithm>

using namespace std;

int main(){

int a1,a2,a3,a4,b1,b2,b3,b4;

cin>>a1>>b1>>a2>>b2;

cin>>a3>>b3>>a4>>b4;

int x=max(a1,max(a2,a3)),x2=min(a1,min(a2,a3)),y=max(b1,min(b2,b3)),y2=min(b1,min(b2,b3));

x=max(x,a4);

x2=min(x2,a4);

y=max(y,b4);

y2=min(y2,b4);

if(x2==1 && a3>=a1 && b3>=b2){

x2=0;

}

if(y2==1 && a4>=a2 && b4>=b2){

y2=0;

}

long long bc=max(x-x2,y-y2);

bc*=bc;

cout<<bc;

    return 0;

}