c plus plus

#include <iostream>
using namespace std;

int main() {
cout<< "US ALMA PROGRAMINA HOSGELDINIZ.n";
cout <<"EGER ALACAGINIZ SAYI KESIRLI ISE NOKTA ILE AYIRINIZ(.)n";
double x;
double sonuc;
cout << "nUssunu alacaginiz sayiyi giriniz ve enterlayiniz: ";
cin>> x;
cout<< "x^0 icin 0a basiniz ve enterlayiniz:n";
cout<< "x^1 icin 1e basiniz ve enterlayiniz:n";
cout<< "x^2 icin 2ye basiniz ve enterlaliniz:n";
cout<< "x^3 icin 3e basiniz ve enterlayiniz:n";
cout<< "x^4 icin 4e basiniz ve enterlayiniz:n";
cout<< "x^5 icin 5e basiniz ve enterlayiniz:n";
cout<< "x^6 icin 6ya basiniz ve enterlayiniz:n";
cout<< "x^7 icin 7ye basiniz ve enterlayiniz:n";
cout<< "x^8 icin 8e basiniz ve enterlayiniz:n";
cout<< "x^9 icin 9a basiniz ve enterlayiniz:n";
cout<< "x^10 icin 10a basiniz ve enterlayiniz:n";
cout<< "x^11 icin 11e basiniz ve enterlayiniz:n";
cout<< "x^12 icin 12ye basiniz ve enterlayiniz:n";
cout<< "x^13 icin 13e basiniz ve enterlayiniz:n";
cout<< "x^14 icin 14e basiniz ve enterlayiniz:n";
cout<< "x^15 icin 15e basiniz ve enterlayiniz:n";
cout<< "x^16 icin 16ya basiniz ve enterlayiniz:n";
cout<< "x^17 icin 17ye basiniz ve enterlayiniz:n";
cout<< "x^18 icin 18e basiniz ve enterlayiniz:n";
cout<< "x^19 icin 19a basiniz ve enterlayiniz:n";
cout<< "x^20 icin 20ye basiniz ve enterlayiniz:n";

cin>> sonuc;
{
if (sonuc == 0){
cout<< "n"<< x <<"^ " <<"0" <<"= " << "1" << endl;
if (x

0)
cout << "tanimsiz";
}
else if (sonuc

1 )
cout<< x <<"^" <<"1 " <<"= " << x << endl;
else if (sonuc == 2)
cout<< x <<"^" <<"2 " <<"= " << x * x << endl;
else if (sonuc == 3)
cout<< x<<"^" <<"3 " <<"= " << x * x * x << endl;
else if (sonuc == 4)
cout<< x<<"^" <<"4 " <<"= " << x * x * x * x << endl;
else if (sonuc == 5)
cout<< x<<"^" <<"5 " <<"= " << x * x * x * x * x << endl;
else if (sonuc == 6)
cout<< x<<"^" <<"6 " <<"= " << x * x * x * x * x * x << endl;
else if (sonuc == 7)
cout<< x<<"^" <<"7 " <<"= " << x * x * x * x * x * x * x << endl;
else if (sonuc == 8)
cout<< x<<"^" <<"8 " <<"= " << x * x * x * x * x * x * x * x << endl;
else if (sonuc == 9)
cout<< x<<"^" <<"9" <<"=" << x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 10)
cout<< x<<"^" <<"10" <<"=" << x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 11)
cout<< x<<"^" <<"11" <<"=" << x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 12)
cout<< x<<"^" <<"12" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 13)
cout<< x<<"^" <<"13" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 14)
cout<< x<<"^" <<"14" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 15)
cout<< x<<"^" <<"15" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 16)
cout<< x<<"^" <<"16" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 17)
cout<< x<<"^" <<"17" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 18)
cout<< x<<"^" <<"18" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 19)
cout<< x<<"^" <<"19" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;
else if (sonuc == 20)
cout<< x<<"^" <<"20" <<"=" << x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x << endl;

else
cout << "yanlis bir tusa bastiniz!!!"; }
cout<< " nprogram bitmistir cikmak icin herhangi bir harfe veya rakama basip enterlayarak cikabilirsinizn ";
cout << "n by guzelinsan";

cin>> x;
}