先贴一个最简单的快读吧,以后慢慢更1
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15inline int read()
{
int s=0,w=1;
char ch=getchar();
while(ch<='0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
return s*w;
}
int main()
{
int n=read();
}