2260 - b1009

Solution C

#include<stdio.h>
int main()
{
	int a,b,c,d;
	b=0;
	for(c=1;c<7;c++)
	{
		a=1;
		d=c;
		while(--d)
		{
			a=a*d;
		}
		b+=a;
	}
	printf("%d\n",b-1);
	return 0;
}

Solution C++

#include<iostream>
#include<cstdio>
#include<iostream>
#include<cmath>

using namespace std;

int main(){
    int sum=0,temp=1;
    for(int i=1;i<=5;i++){
        temp *= i;
        sum += temp;
        //cout<<sum<<endl;
    }
    cout<<sum<<endl;
    return 0;
}