/*
时间：2011年9月2日9:45:11
目的：一个小游戏，论坛上看到的题目，觉得有趣，试试自己能不能编出来
功能：16个硬币，玩家和电脑轮流拿，每人每次只能拿1、2或4枚，最后一枚谁拿走谁算输
*/

# include <stdio.h>

int main (void)
{
    int s=16;
    int n;
    char ch;
    
    do
    {
        while (s > 0)
        {
            while (1)
            {
                if (s >= 4)
                    printf("轮到您拿取硬币了，还剩余%d枚硬币，您可以拿取1枚、2枚或4枚\n",s);
                else if (s >= 2)
                    printf("轮到您拿取硬币了，还剩余%d枚硬币，您可以拿取1枚或2枚\n",s);
                else
                    printf("轮到您拿取硬币了，还剩余%d枚硬币，您只能拿取1枚\n",s);
                
                scanf("%d",&n);
                
                if ((n ==1 || n==2 || n==4) && s-n>=0)
                {
                    s -= n;
                    break;
                }
                else
                    printf("不许耍赖皮!\n\n");
            }
            
            if (s == 0)
            {
                printf("\n您输了\n");
                continue;
            }
            
            switch (n)
            {
            case 1:
                {
                    printf("电脑拿取了2枚硬币\n");
                    s -= 2;
                    break;
                }
            case 2:
                {
                    printf("电脑拿取了1枚硬币\n");
                    s -= 1;
                    break;
                }
            case 4:
                {
                    printf("电脑拿取了2枚硬币\n");
                    s -= 2;
                    break;
                }
            }
            printf("\n");
        }
        
        printf("\n再玩一次?(Y/N)");
        scanf(" %c",&ch);
        s = 16;
        printf("\n");

    } while ('y'== ch || 'Y'==ch);    
    
    return 0;
}