备战noip2019 TG

inline int read()
{
    int ans=0,f=1;
    char c;
    c=getchar();
    while(c<'0' || c>'9')
    {
        if(c=='-')
        f=-1;
        c=getchar();
    }
    while(c>='0' && c<='9')
    {
        ans=ans*10+c-'0';
        c=getchar();
    }
    return ans*f;
}

标签：int,noip2019,char,while,ans,快读,getchar
来源： https://www.cnblogs.com/zhouzhihao/p/11355227.html