输入外挂

外挂1

inline bool read(int &num) {
        char in;bool IsN=false;
        in=getchar();
        if(in==EOF) return false;
        while(in!='-'&&(in<'0'||in>'9')) in=getchar();
        if(in=='-'){ IsN=true;num=0;} else num=in-'0';
        while(in=getchar(),in>='0'&&in<='9') num*=10,num+=in-'0'; 
        if(IsN) num=-num;
        return true;
}

外挂2

inline int read( int &d ){  
    char ch;  
    int flag= 1;  
    while( ch= getchar(), ch== ' ' || ch== '\n' );  
    if( ch== '-' ) { flag= -1; d= 0; }  
    else{ d= ch- '0'; }   
    while( ch= getchar(), ch>= '0' && ch<= '9' )  
    d= d* 10+ ch- '0';  
    return d *= flag;  
}