反三 #include using namespace std;

int main() { long n; cin >> n; long a[10001]; for (int i = 1; i <= n; i++) { cin >> a[i]; } long max = a[1]; for (int i = 2; i <= n; i++) { if (a[i] > max) { max = a[i]; } } cout << max << endl; return 0; }