UPC/1sem/adaptation courses/05/15.cpp
2019-11-18 11:02:11 +07:00

22 lines
No EOL
381 B
C++

// ac_5_15.cpp
// Горбацевич Андрей
#include <iostream>
using namespace std;
double df(int N) {
double out = 1.;
double os = 0.;
for (int i = 1; i <= N; i++) {
os += i*i;
out *= os;
}
return out;
}
int main() {
int N;
cout << "N >>>";
cin >> N;
cout.setf(ios_base::fixed);
cout << "PS= " << df(N) << endl;
}