switch

#include <iostream>
#include <stdio.h>

using namespace std; //i dont know why this is  necessary


int main ()
{
    char vocal; //defino vocales
    cout<<"Introduzca una vocal minuscula:\n";
    cin>>vocal;

    switch (vocal)
    {
        case 'a':
            cout<<"La vocal es la a\n";
        break;
        default:
            cout<<"no hay vocal\n";
        break;
    }
    return 0;
}