#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; for( int i = 1; i <= N-1; i++ ) { for( int l = 1; l <= i-1; l++ ) cout << ')'; for( int r = 1; r <= i; r++ ) cout << '('; cout << '\n'; } for( int r = 1; r <= N-1; r++ ) { cout << ')'; } cout << '\n'; }