零小唬的博客问题:自定义函数实现求n! 代码: #include <stdio.h> int fun(int n){ int i , s = 1; for(i = 1 ; i <= n ; i++){ s *= i; } return s; } int main() { int n; printf("请输入一个整数...
Junelon的博客#include <stdio.h> int main() { int i = 0; int n = 0; int ret = 1; int sum = 0; for (n = 1; n <= 3; n++) { ret = 1; for (i = 1; i <= n; i++) { ret = ret * i;... sum = su...