C语言While和for求阶乘

while语句

#define _CRT_SECURE_NO_WARNINGS 1
#include

int main()
{
	int i, t,n;
	t = 1;
	i = 1;
	printf("输入你想要求得的值n");
	scanf("%d" ,&n);
	while (i <= n)
	{
		t *= i;
		i++;
	}

	printf("%d!=%dn", n,t);
	
	return 0;


}

for语句

#define _CRT_SECURE_NO_WARNINGS 1
#include

int main()
{
	int i, t;
	long n;
	t = 1;
	printf("输入你想要求得的值n");
	scanf("%d" ,&n);
	for (i = 1; i <= n; i++) {
		t = t * i;

	}
		
	printf("%d!=%dn", n,t);
	return 0;


}