#include?
#define?M?100
#define?N?4
class?suanshu
{?
int?countlength;
char?number[N]n;
long?double?chance[N]c;
char?code[M];
long?double?HighLowhighlowd;
public:
suanshu（）
??{High=0;Low=0;}
void?get_number（）;
void?get_code（）;
void?coding（）;
~suanshu（）{}
};

void?suanshu::get_number（）
{
cout<<“please?input?the?number?and?its?chance.“<for（int?i=0;i{
??cin>>n>>c;
??number[i]=n;
??chance[i]=c;
}
if（i==20）
??cout<<“the?number?is?full.“<count=i;
}

void?suanshu::get_code（）
{
cout<<“please?input?the?code‘‘s?length:“;
cin>>length;
while（length>=M）
{
??cout<<“the?length?is?too?largerplease?input?a?smaller?one.“;
??cin>>length;
}
for（int?i=0;i{
??cin>>code[i];
}
}

void?suanshu::coding（）
{
int?ij=0;
for（i=0;i??if（code[0]==number[i]）?break;
while（j??Low+=chance[j++];
d=chance[j];
High=Low+d;
for（i=1;i??for（j=0;j??{
???if（code[i]==number[j]）
???{
????if（j==0）
????{
?????low=Low;
?????high=Low+chance[j]*d;
?????High=high;
?????d*=chance[j];
????}
????else
????{
?????float?chance_l=0.0;
?????for（int?k=0;k<=j-1;k++）
??????chance_l+=chance[k];
?????low=Low+d*chance_l;
?????high=Low+d*（chance_l+chance[j]）;
?????Low=low;
?????High=high;
?????d*=chance[j];
????}
???}
???else?continue;
??}
cout<<“the?result?is:“<}

int?main（）
{
suanshu?a;
a.get_number（）;
a.get_code（）;
a.coding（）;
return?0;
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件???????1496??2009-06-02?21:20??1\1.cpp

?????文件???????3341??2009-06-02?21:20??1\1.dsp

?????文件??????41984??2009-06-02?21:23??1\Debug\vc60.idb

?????文件??????61440??2009-06-02?21:20??1\Debug\vc60.pdb

?????文件?????244272??2009-06-02?21:20??1\Debug\1.pch

?????文件??????11124??2009-06-02?21:23??1\Debug\1.obj

?????文件?????263028??2009-06-02?21:23??1\Debug\1.ilk

?????文件?????233547??2009-06-02?21:23??1\Debug\1.exe

?????文件?????435200??2009-06-02?21:20??1\Debug\1.pdb

?????文件??????33792??2009-06-02?21:24??1\1.ncb

?????文件????????723??2009-06-02?21:23??1\1.plg

?????文件??????48640??2009-06-02?21:24??1\1.opt

?????文件????????510??2009-06-02?21:24??1\1.dsw

?????目錄??????????0??2009-06-02?21:20??1\Debug

?????目錄??????????0??2009-06-02?21:01??1

-----------?---------??----------?-----??----

??????????????1379097????????????????????15