#include <windows.h>
#include <conio.h>
#include <stdio.h>
 
void Locate(int x,int y)
{
    HANDLE H=GetStdHandle(STD_OUTPUT_HANDLE);
    COORD C;
    C.X=(SHORT)x;
    C.Y=(SHORT)y;
    SetConsoleCursorPosition(H,C);
}
 
void Afficher(int curs)
{
    Locate(0,0);
    printf("%c Oui\n",(curs==0)?'>':' ');
    printf("%c Non\n",(curs==1)?'>':' ');
}
 
int Choisir()
{
    int curs = 0;
    int touche;
    do
    {
        Afficher(curs);
        touche = _getch();
        if (touche==0xE0) // fleche : le code fleche renvoie 2 caracteres.
        {
            touche = _getch();
            if (touche==0x50 && curs==0)  // fleche bas
                curs = 1;
            if (touche==0x48 && curs==1)  // fleche haut
                curs = 0;
        }
    } while (touche!=0x0D);  // enter
    return curs;
}
 
int main()
{
    int choix;
    choix = Choisir();
    Locate(0,3);
    printf("Vous avez choisi : %s\n",(choix==0)?"Oui":"Non");
    return 0;
}