自学第七十六天
16lz
2021-02-12
//#include<stdio.h>//int FAS(int x)//{//int i = 0;//int ret = 1;//for (i = 1; i <= x; i++)//{//ret *= i;//}//return ret;//}//int main()//{//int n = 0;//int ret = 0;//scanf("%d", & n);//ret = FAS(n);//printf("%d\n", ret);//return 0;//}//#include<stdio.h>//int FAS(int x)//{//if (x <= 2)//return 1;//else//return FAS(x - 1) + FAS(x - 2);//}//int main()//{//int n = 0;//int ret = 0;//scanf("%d", &n);//ret = FAS(n);//printf("%d\n", ret);//return 0;//}