快读快输

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ZC 11月 03, 2018
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一行:

namespace IO{const char* ln="\n";const int str=1<<20;struct IN{char buf[str],*s,*t;bool _;IN():s(buf),t(buf),_(0){}il char gc(){return s==t&&((t=(s=buf)+fread(buf,1,str,stdin))==s)?EOF:(*s++);}IN&operator>>(char&ch){if(_)return *this;char c;while((c=gc())!=EOF&&isspace(c));if(c==EOF)_=1;else ch=c;return *this;}IN& operator>>(char* ch){if(_)return *this;char c;while((c=gc())!=EOF&&isspace(c));if(c==EOF)return _=1,*this;*ch=c;ch++;while((c=gc())!=EOF&&!isspace(c))*ch=c,ch++;if(c==EOF)_=1;return *this;}IN& operator>>(string& ch){if(_)return *this;char c;while((c=gc())!=EOF&&isspace(c));if(c==EOF)return _=1,*this;ch+=c;while((c=gc())!=EOF&&!isspace(c))ch+=c;if(c==EOF)_=1;return *this;}template<typename T>IN&operator>>(T&x){if(_)return *this;char c=gc();bool ff=0;while(c!=EOF&&(c<'0'||c>'9'))ff^=(c=='-'),c=gc();if(c==EOF){_=1;return *this;}x=0;while(c!=EOF&&'0'<=c&&c<='9')x=(x<<3)+(x<<1)+c-48,c=gc();if(c==EOF)_=1;if(ff)x=-x;return *this;}}in;struct OUT{char buf[str],*s,*t;OUT():s(buf),t(buf+str){}~OUT(){fwrite(buf,1,s-buf,stdout);}void pt(char c){(s==t)?(fwrite(s=buf,1,str,stdout),*s++=c):(*s++=c);}OUT&operator<<(const char*s){while(*s)pt(*s++);return *this;}OUT&operator<<(char*s){while(*s)pt(*s++);return *this;}OUT&operator<<(string s){for(rg int i=0;s[i];i++)pt(s[i]);return *this;}template<typename T>OUT&operator<<(T x){if(!x)return pt('0'),*this;if(x<0)pt('-'),x=-x;char a[30],t=0;while(x)a[t++]=x%10,x/=10;while(t--)pt(a[t]+'0');return *this;}}out;}using namespace IO;

未压行:

namespace IO{
    const char* ln="\n";const int str=1<<20;
    struct IN{
        char buf[str],*s,*t;bool _;
        IN():s(buf),t(buf),_(0){}
        il char gc(){return s==t&&((t=(s=buf)+fread(buf,1,str,stdin))==s)?EOF:(*s++);}
        IN&operator>>(char&ch){
            if(_)return *this;
            char c;while((c=gc())!=EOF&&isspace(c));
            if(c==EOF)_=1;else ch=c;return *this;
        }
        IN& operator>>(char* ch){
            if(_)return *this;char c;
            while((c=gc())!=EOF&&isspace(c));
            if(c==EOF)return _=1,*this;*ch=c;
            ch++;while((c=gc())!=EOF&&!isspace(c))*ch=c,ch++;
            if(c==EOF)_=1;return *this;
        }
        IN& operator>>(string& ch){
            if(_)return *this;char c;
            while((c=gc())!=EOF&&isspace(c));
            if(c==EOF)return _=1,*this;ch+=c;
            while((c=gc())!=EOF&&!isspace(c))ch+=c;
            if(c==EOF)_=1;return *this;
        }
        template<typename T>IN&operator>>(T&x){
            if(_)return *this;char c=gc();bool ff=0;
            while(c!=EOF&&(c<'0'||c>'9'))ff^=(c=='-'),c=gc();
            if(c==EOF){_=1;return *this;}x=0;
            while(c!=EOF&&'0'<=c&&c<='9')x=(x<<3)+(x<<1)+c-48,c=gc();
            if(c==EOF)_=1;if(ff)x=-x;return *this;
        }
    }in;
    struct OUT{
        char buf[str],*s,*t;OUT():s(buf),t(buf+str){}~OUT(){fwrite(buf,1,s-buf,stdout);}
        void pt(char c){(s==t)?(fwrite(s=buf,1,str,stdout),*s++=c):(*s++=c);}
        OUT&operator<<(const char*s){while(*s)pt(*s++);return *this;}
        OUT&operator<<(char*s){while(*s)pt(*s++);return *this;}
        OUT&operator<<(string s){for(rg int i=0;s[i];i++)pt(s[i]);return *this;}
        template<typename T>OUT&operator<<(T x){
            if(!x)return pt('0'),*this;
            if(x<0)pt('-'),x=-x;
            char a[30],t=0;while(x)a[t++]=x%10,x/=10;
            while(t--)pt(a[t]+'0');
            return *this;
        }
    }out;
}using namespace IO;