【2 级置顶】快读快写

来自 lnw143

#include <cstdio>
#include <string>
#include <cctype>
namespace IO {
	static const int BUF = 1<<20;
	static char pbuf[BUF],*p=pbuf;
	inline char gc() {
		static char buf[BUF],*p1=buf,*p2=buf;
		return p1==p2&&(p2=(p1=buf)+fread(buf,1,BUF,stdin),p1==p2)?-1:*p1++;
	}
	inline void pc(char c) { *p++=c; if(p-pbuf==BUF) fwrite(pbuf,1,BUF,stdout),p=pbuf; }
	inline void flush() { fwrite(pbuf,1,p-pbuf,stdout); p=pbuf; }
	template<typename T> inline void read(T &x) {
		x=0;
		char c=gc();
		T f=1;
		for(; !isdigit(c); c=gc()) if(c=='-') f=-1;
		for(; isdigit(c); c=gc()) x=(x<<3)+(x<<1)+(c^48);
		x*=f;
	}
	inline void read(char &c) { c=gc(); }
	inline void read(char *p) {
		char c=gc();
		for(; !isgraph(c); c=gc());
		for(; isgraph(c); c=gc()) *p++=c;
		*p='\0';
	}
	inline void read(std::string& s) {
		s.clear();
		char c=gc();
		for(; !isgraph(c); c=gc());
		for(; isgraph(c); c=gc()) s+=c;
	}
	template<typename T,typename ...Args> void read(T &x,Args &...args) { read(x); read(args...); }
	template<typename T> inline void write(const T &y) {
		T x=y;
		if(x<0) {
			pc('-');
			x=-x;
		}
		static char stk[1<<8],*tp;
		tp=stk;
		do *tp++=(x%10)^48; while(x/=10);
		while(tp!=stk) pc(*--tp);
	}
	inline void write(const char &c) { pc(c); }
	inline void write(const std::string &s) { for(auto i : s) pc(i); }
	inline void write(const char *p) { for(; *p; ++p) pc(*p); }
	inline void write(char *p) { write(static_cast<const char*>(p)); }
	template<typename T,typename ...Args> void write(const T &x,const Args &...args) { write(x); write(args...); }
	struct __Flusher { ~__Flusher() { flush(); } } __flusher;
};
using IO::read;
using IO::write;
using IO::flush;

int main() {
	int a,b;
	read(a,b);
	write(a+b,'\n');
	// std::string s,t;
	char s[100],t[100];
	read(s,t);
	write(s,' ',t,'\n');
	return 0;
}

压行后：

namespace IO{static const int BUF=1<<20;static char pbuf[BUF],*p=pbuf;inline char gc(){static char buf[BUF],*p1=buf,*p2=buf;return p1==p2&&(p2=(p1=buf)+fread(buf,1,BUF,stdin),p1==p2)?-1:*p1++;}inline void pc(char c){*p++=c;if(p-pbuf==BUF)fwrite(pbuf,1,BUF,stdout),p=pbuf;}inline void flush(){fwrite(pbuf,1,p-pbuf,stdout);p=pbuf;}template<typename T>inline void read(T&x){x=0;char c=gc();T f=1;for(;!isdigit(c);c=gc())if(c=='-')f=-1;for(;isdigit(c);c=gc())x=(x<<3)+(x<<1)+(c^48);x*=f;}inline void read(char&c){c=gc();}inline void read(char*p){char c=gc();for(;!isgraph(c);c=gc());for(;isgraph(c);c=gc())*p++=c;*p='\0';}inline void read(std::string&s){s.clear();char c=gc();for(;!isgraph(c);c=gc());for(;isgraph(c);c=gc())s+=c;}template<typename T,typename...Args>void read(T&x,Args&...args){read(x);read(args...);}template<typename T>inline void write(const T&y){T x=y;if(x<0){pc('-');x=-x;}static char stk[1<<8],*tp;tp=stk;do*tp++=(x%10)^48;while(x/=10);while(tp!=stk)pc(*--tp);}inline void write(const char&c){pc(c);}inline void write(const std::string&s){for(auto i:s)pc(i);}inline void write(const char*p){for(;*p;++p)pc(*p);}inline void write(char*p){write(static_cast<const char*>(p));}template<typename T,typename...Args>void write(const T&x,const Args&...args){write(x);write(args...);}struct __Flusher{~__Flusher(){flush();}}__flusher;};using IO::read;using IO::write;using IO::flush;