#include #include #include #include #include #include #include #include #include #include using namespace std; int n; int arr[505]; int f(int i) { if(i == n - 1) { return arr[n - 1]; } return max(f(i + 1), arr[i]); } int main() { cin >> n; for(int i = 0; i < n; i++) { cin >> arr[i]; } cout << f(0) << endl; return 0; } /* f(0) --> max(f(1), 9) = max(4, 9) = 9 f(1) --> max(f(2), 1) = max(4, 1) = 4 f(2) --> max(f(3), 2) = max(4, 2) = 4 f(3) --> max(f(4), 3) = max(4, 3) = 4 f(4) --> 4 */