제출 #1319056

#제출 시각아이디문제언어결과실행 시간메모리
1319056neonglitchCat (info1cup19_cat)C++20
0 / 100
10 ms452 KiB
#include <iostream>
using namespace std;
const int N=2e5+10;
int a[N];

void solve()
{
	int n;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
	}
	for(int i=1;i<=(n/2);i++)		
	{
		if(a[i]!=a[i+(n/2)]-(n/2))
		{
			cout<<-1<<endl;
			return;
		}
	}
	cout<<0<<' '<<0<<endl;
}

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int t;
	cin>>t;
	while(t--)
	{
		solve();
	}

}
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