Игра "кости" - C++

#include<iostream>
#include<ctime>
using namespace std;
int main()
{
    setlocale(0,"");
srand(time(0));
int s=0,f=0,x,i=1,a,b,c,d;
a=rand() % 7;
b=rand() % 7;
c=rand() % 7;
d=rand() % 7;
cout<<"введите кол-во попыток: "<<endl;
cin>>d;
while(i<=d){ 
 
s+=c+d;
cout<<"игрок: "<<s<<endl;
f+=a+b;
cout<<"компьютер: "<<f<<endl;
i+=1;
}
if(s>f){cout<<"вы выйграли"<<endl;}
if(s==f){cout<<"ничья"<<endl;}
if(s<f){cout<<"вы проиграли"<<endl;}
system("pause");
return 0;
}

#include<iostream>
#include<ctime>
using namespace std;
int main()
{
    setlocale(0,"");
srand(time(0));
int s=0,f=0,i=1,a,b,c,d;
 
cout<<"введите кол-во попыток: "<<endl;
cin>>d;
while(i<=d){ 
 a=rand() % 6+1;
b=rand() % 6+1;
c=rand() % 6+1;
d=rand() % 6+1;
s+=c+d;
cout<<"игрок: "<<s<<endl;
f+=a+b;
cout<<"компьютер: "<<f<<endl;
i+=1;
}
if(s>f){cout<<"вы выйграли"<<endl;}
if(s==f){cout<<"ничья"<<endl;}
if(s<f){cout<<"вы проиграли"<<endl;}
system("pause");
return 0;
}

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <conio.h>
 
bool check(std::string sname);
std::string winner(const int iplayer, const int ibot, std::string sname);
 
int main()
{
    std::string sname;
    int imax(0), isump(0), isumb(0);
    do
    {
    std::cout << "What is your name: ";
    getline(std::cin, sname);
    }while(check(sname));
    std::cout << "How many rounds: ";
    std::cin >> imax;
    srand(time(NULL));
    for(int icount(0); icount < imax; icount++)
    {
        std::cout << "\n\nPress any key for action.";
        getch();
        int iplayer(rand()%6+1), ibot(rand()%6+1);
        std:: cout << "\nRound " << icount + 1 << ": " << sname << " " << iplayer;
        std:: cout << "\nRound " << icount + 1 << ": bot " << ibot;
        isump += iplayer;
        isumb += ibot;
    }
    std::cout << "\n\nWinner " << winner(isump, isumb, sname) << " congratulation!";
    getch();
    return 0;
}
 
bool check(std::string sname)
{
     int len = sname.size();
     for(int i = 0; i < len; i++)
     {
         if((sname[i] - 48) >= 0 && (sname[i] - 48) < 10)
         {
             system("CLS");
             std::cout << "Incorrect name.\n";
             return true;
         }
     }
     return false;
}
 
std::string winner(const int iplayer, const int ibot, std::string sname)
{
     return iplayer > ibot ? sname : "bot";
}

c={1,2,3,4,5,6};
d={1,2,3,4,5,6};

while ( true )
{
cin >> number
if ( number > 0 && number < 7 )
{
c = number;
break;
}
else
{
cout << "re-enter the number" << endl;
}
}

srand (time(NULL) + rand())