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- //
- // Fakultät.cpp
- // Created by Florian Gudat on 26.10.16.
- //
- #include <iostream>
- int main() {
- int n;
- std::cout << "Bitte geben Sie einen gültigen Wert für n! ein.\n";
- std::cout << "n = ";
- std::cin >> n;
- int m = n;
- int r = 1;
- if (n > 0) {
- while (n > 0) {
- r = r * n;
- n = n - 1;
- }
- std::cout << "Ergebnis:\n";
- std::cout << m << "! = " << r;
- } else if (n == 0) {
- r = 0;
- std::cout << "Ergebnis:\n";
- std::cout << m << "! = " << r;
- } else {
- std::cout << "Ungültige Eingabe";
- }
- }
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