Submission

Score: 100

User: RaweerojFirst

Problemset: Sigma Croissant

Language: cpp

Time: 0.002 second

Submitted On: 2025-11-17 11:07:36

#include<stdio.h>
#include<math.h>
#include<limits.h>

int main()
{
    int n;
    scanf("%d", &n);
    long long total = 0;
    for (int i=1;i<=n;i++)
    {
      long long fact = 1;
      for (int j=2;j<=i;j++) 
      {
        fact *= j;
      }
      total += fact; 
    }
    printf("%lld\n", total);
    return 0;
}