1631 - Reading Books

using namespace std;
using ll = long long;
using vi = vector<int>;
int main(void)
{
    int n;
    ll sum, ans;
    cin >> n;
    vi t(n);
    for (auto &ti : t)
        cin >> ti;
    sort(t.begin(), t.end(), greater<int>());
    sum = accumulate(t.begin() + 1, t.end(), (ll)0);
    ans = sum + max((ll)0, t[0] - sum) + t[0];
    cout << ans << endl;
    return 0;
}