You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
int main() {
|
|
int n;
|
|
int T;
|
|
int sum = 0;
|
|
cin >> n;
|
|
for (int i = 1; i <= n; i++) {
|
|
T = 1;
|
|
for (int j = 1; j <= i; j++) {
|
|
T *= j;
|
|
}
|
|
sum += T;
|
|
}
|
|
cout << sum << endl;
|
|
return 0;
|
|
}
|