Editorial for Tích số lớn nhất

Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.

Author: Justinianus 

int main(int argc, wchar_t** argv, wchar_t** envp) {
    ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
    if (fopen((FNAME + ".INP").c_str(), "r")) {
        freopen((FNAME + ".INP").c_str(), "r", stdin);
        freopen((FNAME + ".OUT").c_str(), "w", stdout);
    }
    ll a, b, c, s; cin >> a >> b >> c >> s;
    lf sum = a + b + c;
    cout << fixed << setprecision(6);
    if (sum) {
        cout << s * a / sum << ' ' << s * b / sum << ' ' << s * c / sum;
    } else {
        cout << 0.0 << ' ' << 0.0 << ' ' << 0.0;
    }
    return EXIT_SUCCESS;
}

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