哪里有c语言编写的有趣程序

觉的这个怎么样啊?
/*a finger-guessing game*/

#include <stdio.h>
#include <string.h>
main()
{
char ch;
char artificial;
int random;
while (1)/*如果不退出，则永远玩游戏*/
{
srand(time(NULL));/*使rand随机而不重复*/
printf("Please input one case you want to put:\n(A/a:stone;B/b:cloth;C/c:forfex;Q/q:quit)\n");
artificial=getch();
if(artificial=='q'||artificial=='Q')
exit(0);/*游戏循环出口*/
if(artificial!='A'&&artificial!='B'&&artificial!='C'&&artificial!='a'&&artificial!='b'&&artificial!='c')
continue;/*其他字母全部跳过*/
if(artificial=='A'||artificial=='a')
printf("You put out stone.\n");
if(artificial=='B'||artificial=='b')
printf("You put out cloth.\n");
if(artificial=='C'||artificial=='c')
printf("You put out fo