递归求阶乘
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
int Factorial(int n) {
if (n == 1) {
return 1;
}
else {
return n*Factorial (n - 1);
}
}
int main() {
int n, sum;
printf("输入阶乘数\n");
scanf("%d", &n);
sum = Factorial(n);
printf("%d\n", sum);
system("pause");
return 0;
}