__int128读写
<pre><code class="language-cpp">inline __int128 read()
{
__int128 x=0,f=1;
char ch=getchar();
while(ch<'0'||ch>'9')
{
if(ch=='-')
f=-1;
ch=getchar();
}
while(ch>='0'&&ch<='9')
{
x=x*10+ch-'0';
ch=getchar();
}
return x*f;
}
inline void write(__int128 x)
{
if(x<0)
{
putchar('-');
x=-x;
}
if(x>9)
write(x/10);
putchar(x%10+'0');
}</code></pre>