template<typename T>
inline void read(T &x)
{
T f=1;x=0;
char ch=getchar();
while(0==isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
while(0!=isdigit(ch)) x=(x<<1)+(x<<3)+ch-'0',ch=getchar();
x*=f;
}
template<typename T>
inline void write(T x)
{
if(x<0){x=~(x-1);putchar('-');}
if(x>9)write(x/10);
putchar(x%10+'0');
}
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转载自blog.csdn.net/qq_45458915/article/details/109105139
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