F - Сумма факториалов
unknown
c_cpp
a month ago
224 B
8
Indexable
Never
#include <iostream> using namespace std; int main() { int n; cin >> n; long long p = 1, sum = 1; for (int i = 1; i <= n; ++i) { p = p * i; sum += p; } cout << sum; return 0; }
#include <iostream> using namespace std; int main() { int n; cin >> n; long long p = 1, sum = 1; for (int i = 1; i <= n; ++i) { p = p * i; sum += p; } cout << sum; return 0; }