读入外挂

inline int read(){    int x=0;bool f=0;char ch=getchar();    while (ch<'0'||'9'<ch)        f|=ch=='-', ch=getchar();    while ('0'<=ch && ch<='9')        x=x*10+ch-'0',ch=getchar();    return f?-x:x;}  //可读最大int负数的读入外挂int t;t = read();