输入外挂

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整数

inline bool scan_d(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;}

浮点数

inline bool scan_lf(double &num)  {        char in; double Dec=0.1;        bool IsN = false,IsD = false;        in = getchar();        if(in == EOF) return false;        while(in != '-' && in != '.' && (in < '0' || in > '9'))                in = getchar();        if(in == '-'){IsN = true; num = 0;}        else if(in == '.'){IsD = true; num = 0;}        else num = in - '0';        if(!IsD){                while(in = getchar(), in >= '0' && in <= '9'){                        num *= 10; num += in - '0';}        }        if(in != '.'){                if(IsN) num =- num;                return true;        }else{                while(in = getchar(),in >= '0' && in <= '9'){                        num += Dec * (in - '0'); Dec *= 0.1;                }        }        if(IsN) num =- num;        return true;}

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