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#include
int Factorial(int n)
{
int fac = 1;
for (int i = 1; i <= n; i++)
{
fac *= i;
}
return fac;
}
int main()
{
int sum = 0;
for (int i = 1; i <= 10; i++)
{
sum += Factorial(i);
}
printf("1! + 2! + 3! ... + 10! = %d\n", sum);
return 0;
}
#include
int fun(int n) { int i,k; for ( i=1,k=1;i<=n;i++ ) k*=i; return k; }
void main() { int i,s;
s=0; for ( i=1;i<=10;i++ ) s+=fun(i);
printf("%d\n",s);
}