Entries from 2019-10-01 to 1 month
用递归求阶乘 #include <stdio.h> unsigned long factional(unsigned long n) { if(n<0) return 1; else if(n==1) return 1; else return (unsigned long)n*factional(n-1); } int main() { unsigned long n; printf("请输入一个整数n(n>0):"); scanf("%d",&n); prin</stdio.h>…