28、求2的平方的阶乘加3的平方的阶乘

S=2方!+3方!

#include<stdio.h>
int cal(int n)
{
int sum=1,i;
for(i=1;i<=n;i++)
//sum*=i;
sum=sum*i;
return sum;
}
int main(){
int i,j,sum,k;
i = 2*2;
j=3*3;
sum = cal(i) +cal(j);
printf("sum=%d",sum);
return 0;
}