ИМ
Ирина Мусатова
#include
#include
using namespace std;
int main() {
unsigned s;
cout << "S?.. "; cin >> s;
double sum = 0;
if (s) for (size_t n = 1; n <= s; n++) sum+= 1 / pow(double(n), 3);
cout << setprecision(17) << "Sum = " << sum << endl;
cin.get(); cin.get();
return 0;
}