#include
int main()
{
int sum=0;
for(int i=1;i<101;i++)
{
sum+=i*i;
}
printf("1^2+2^2+3^2+......+100^2的计算结果是:%d\n",sum);
return 0;
}
#include
//求阶乘
int factorial(int n){
if (n == 0 || n == 1)
return 1;
else
return n*factorial(n - 1);
}
int main(){
int n;
scanf("%d", &n);
printf("结果为: %d\n", factorial(n));
return 0;
}