FHVirus' IOTemplate Updated

#include<unistd.h>
char OB[65536]; int OP;
inline char RC(){static char buf[65536],*p=buf,*q=buf;return p==q&&(q=(p=buf)+read(0,buf,65536))==buf?-1:*p++;}
// 請斟酌使用下面兩行，這只能在特定的時候使用
inline int R(){static char c;int a;while((c=RC())<'0');a=c^'0';while((c=RC())>='0')a*=10,a+=c^'0';return a;}
inline void W(int n){static char buf[12],p;if(n==0)OB[OP++]='0';p=0;while(n)buf[p++]='0'+(n%10),n/=10;for(--p;p>=0;--p)OB[OP++]=buf[p];OB[OP++]='\n';if(OP>65516)write(1,OB,OP),OP=0;}

inline int RI(){static char c;int a;while(((c=RC())<'0'||c>'9')&&c!='-'&&c!=-1);if(c=='-'){a=0;while((c=RC())>='0'&&c<='9')a*=10,a-=c^'0';}else{a=c^'0';while((c=RC())>='0'&&c<='9')a*=10,a+=c^'0';}return a;}
inline int RU(){static char c;int a;while(((c=RC())<'0'||c>'9')&&c!=-1);a=c^'0';while((c=RC())>='0'&&c<='9')a*=10,a+=c^'0';return a;}
inline void WI(int n){static char buf[12],p;if(n==0)OB[OP++]='0';p=0;if(n<0){OB[OP++]='-';while(n)buf[p++]='0'-(n%10),n/=10;}else{while(n)buf[p++]='0'+(n%10),n/=10;}for(--p;p>=0;--p)OB[OP++]=buf[p];OB[OP++]='\n';if(OP>S-12)write(1,OB,OP),OP=0;}
inline void WU(int n){static char buf[12],p;if(n==0)OB[OP++]='0';p=0;while(n)buf[p++]='0'+(n%10),n/=10;for(--p;p>=0;--p)OB[OP++]=buf[p];OB[OP++]='\n';if(OP>65524)write(1,OB,OP),OP=0;}