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Source Code
Language
#include <iostream>
using namespace std;
int main() {
setlocale(LC_ALL, "Russian");
int n;
cout << "Введите число: "; cin >> n;
if (n < 0) {
cout << "Некоректные данные";
return 0;
}
if (n == 0) {
cout << "Факториал 0 = 1";
return 0;
}
long long sum = 1;
for (int i = 1; i <= n; i++) {
sum = sum * i;
}
cout << "Факториал " << n << " = " << sum;
}
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Text
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