/*
 * es_vocali.c
 *
 *  Created on: 13 mar 2018
 *      Author: Marco
 */

#include <stdio.h>
#include <math.h>
#include <time.h>
#include <string.h>
#include <stdlib.h>

main()
{
	srand(time(NULL));

	char vocali[5];
	vocali[0]='a';
	vocali[1]='i';
	vocali[2]='u';
	vocali[3]='e';
	vocali[4]='o';

	char consonanti[21];
	consonanti[0]='b';
	consonanti[1]='c';
	consonanti[2]='d';
	consonanti[3]='f';
	consonanti[4]='g';
	consonanti[5]='h';
	consonanti[6]='j';
	consonanti[7]='k';
	consonanti[8]='l';
	consonanti[9]='m';
	consonanti[10]='n';
	consonanti[11]='p';
	consonanti[12]='q';
	consonanti[13]='r';
	consonanti[14]='s';
	consonanti[15]='t';
	consonanti[16]='v';
	consonanti[17]='w';
	consonanti[18]='x';
	consonanti[19]='y';
	consonanti[20]='z';

	int i,f,s,x;

	for(x=0;x<4;x++)
	{
		if(x==0)
		{
			f=rand()%2;
			if(f==0)
			{
				i=rand()%5;
				if(i==5)
				{
					i--;
				}
				vocali[i]=vocali[i]-32;
				printf("%c",vocali[i]);
				s=0;
			}else
			{
				i=rand()%21;
				if(i==21)
				{
					i--;
				}
				consonanti[i]=consonanti[i]-32;
				printf("%c",consonanti[i]);
				s=1;
			}
		}else if(x==1)
		{
			if(s==1)
			{
				i=rand()%5;
				if(i==5)
				{
					i--;
				}
				printf("%c",vocali[i]);
			}else
			{
				f=rand()%2;
				if(f==0)
				{
					i=rand()%5;
					if(i==5)
					{
						i--;
					}
					printf("%c",vocali[i]);
				}else
				{
					i=rand()%21;
					if(i==21)
					{
						i--;
					}
					printf("%c",consonanti[i]);
				}
			}
		}else
		{
			f=rand()%2;
			if(f==0)
			{
				i=rand()%5;
				if(i==5)
				{
					i--;
				}
				printf("%c",vocali[i]);
			}else
			{
				i=rand()%21;
				if(i==21)
				{
					i--;
				}
				printf("%c",consonanti[i]);
			}
		}
	}
}