取火柴

#include<cstdio>int main(){    int c,p,spare=21;    printf("你能战胜我吗？\n");    while(1)    {        printf("还有%d根火柴\n",spare);        printf("People:");        scanf("%d",&p);        if(p<1||p>4||p>spare)        {            printf("违规\n");            continue;        }        spare=spare-p;        if(spare==0)        {            printf("computer win!\n");            break;        }        c=5-p;        spare-=c;        printf("Computer:%d\n",c);        if(spare==0)        {            printf("people win!\n");            break;        }    }    return 0;}