Kleinere Releases/Beginner Releases

#include <iostream>
#include <iomanip>
#include <cmath>
#include <windows.h>
#include <conio.h>
#include <string>
using namespace std;

void g(){ getchar(); };
void sign5();
void string5();

int main() {
system("color a");
HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE);

COORD scb = { 140, 70 };
SetConsoleScreenBufferSize(hCon, scb);


SMALL_RECT rect = { 0, 0, 139, 69 };
SetConsoleWindowInfo(hCon, TRUE, &rect);
int Leer = ' ';
int abcdefg;

cin >> abcdefg;
if (abcdefg == 13023012)
{

sign5();

cout << "\nHex-dez-oktal-rechner\n\n";

sign5();
cout << "\n\ndas leerzeichen hat den zeichencode: "
<< Leer << endl << endl;
g();

for (;;)
{
char ch;
string prompt =
"\nGeben sie ein zeichen ein: \n";

cout << prompt;

cin >> ch;
Leer = ch;

cout << " das zeichen " << ch
<< " hat den zeichencode" << endl;

g();

cout << uppercase
<< oct << setw(8) << Leer << " oktal\n"
<< dec << setw(8) << Leer << " dezimal\n"
<< hex << setw(8) << Leer << " hexadezimal\n" << endl;

g();

}
}
else if (abcdefg < 13023012)
{
cout << "falsche eingabe" << endl;
}

else

cout << "falsche eingabe" << endl;

getchar();
return 0;

}

void sign5(){

string stern(50, '*');
std::cout << stern << endl;
}