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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