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declare array that has element of 1 to 999999999 c++

LimPa03 (5)
i've been using dev C++, and im struggling with how to declare array element with 1-999999999.
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#include<iostream>




using namespace std;
int main()
{
    int x,y;
    char *ans[1000000000] = {"1"-"999999999"}; 
    //I don't know how to declare 1-999999999.

    cin>x;
    cin>y;
    
    switch (oper) 
           {
            case '+': an = num1 + num2; 
                      cout<<an<<endl;                     
                      outtextxy(x,y,an[ans]);
                      
                      break;
                      
            case '-': an= num1 - num2; 
                      cout<<an<<endl;                    
                      outtextxy(x,y,an[ans]);
                      break;
                      
            case '*': an = num1 * num2; 
                      cout<<an<<endl;
                      outtextxy(x,y,an[ans]);
                      break;  
                      
            
           case '/':     if (num2 == 0)
            
                cout << "Not Divisible by 0! Start Again!" << endl;
                 
                  else an = num1 / num2; 
                       cout<<an<<endl;
                      
                       outtextxy(x,y,an[ans]);
                      break;
            
          default : cout << "Bad operator '" << oper << "'" << endl;
               
                
          }
        }
 }
                 if(oper=='+' || oper=='-'  || oper=='*'|| oper=='/')
                {
                    goto LOOP1;
                }



    
getch ();
return 0;
}
MiiNiPaa (8886)
First of all your array would take up about 16GB of memory.
Why would you need that? Generate a string representation of number when nessesary, there is no need to cache it.
LimPa03 (5)
thnx for idea sir.
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