8th Minimums and Maximums

a.题目链接：

Problem - A - Codeforces (Unofficial mirror site, accelerated for Chinese users)https://codeforces.ml/contest/1680/problem/Ab.我的做法

#include <iostream>
using namespace std;
int main()
{
	int t;
	cin >> t;
	while(t--){
	    int l1,r1,l2,r2;
		cin >> l1 >> r1 >> l2 >> r2;	   
		if(l1>=l2&&l1<=r2 || l2 >= l1&& l2 <= r1)cout << (l1>=l2?l1:l2) <<endl;
		else cout << l1 + l2 <<endl;				  
	}
}