#include using namespace std; const int N = 2e5 + 5; int a[N]; int main() { int kase; cin >> kase; while (kase--) { set s; int n; cin >> n; if (n == 1) { cin >> n; cout << "YES" << endl; continue; } for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < n; ++i) { if (s.count(((i + a[i % n]) % n + n) % n)) { cout << "NO" << endl; goto __END; } s.insert(((i + a[i % n]) % n + n) % n); } cout << "YES" << endl; __END:; } return 0; }