ligang305

摘要： #include<stdio.h>#include<stdlib.h>int main(void){ int c; c = factorial(5); printf("the res is: %d\n",c); system("pause"); //return 0;}int factorial(int a){ int res; if(a<0){ printf("error\n"); system("pause"); exit(EXIT_FAILURE); } if(a==1||a== 阅读全文

摘要： http://jingyan.baidu.com/article/fec7a1e53efe621190b4e7ae.html 阅读全文