Thread: Problem with my code :( please help

  1. #1
    Registered User
    Join Date
    May 2006
    Posts
    18

    Problem with my code :( please help

    So i'm trying to make a recursive program for a class im taking,but so far i can't seem to get it to run i've tried for 2 days now and just can't seem to get around the error's i'm getting. If you guy's and gal's could please take a look and see if you could help it would be greatly appreciated.Thank You

    Code:
    #define n 5
    enum Estados {Ninguno, Incluido, Excluido}
    struct elemento
    {
    	Estados estado;
    };
    typedef elemento TipoDato;
    int Pesos[n],OabjetivoAalcanzar;
    
    void Inicializa()
    {
    	Pesos[0]=7; Pesos=[1]=5; Pesos[2]=4; Pesos[3]=4; Pesos[4]=1;
    	OabjetivoAalcanzar=10;
    }
    Void MochilaExacta(int OabjetivoAalcanzar,int i,int *Solucion)
    {
    	int Encontrado,Posibilidad;
    	/*Finishes with success if siObjetivo=0 or if sio Objetivo<0 or i=n */
    	if((OabjetivoAalcanzar<=0)||(i==n))
    	   if(OabjetivoAalcanzar==0)
    	     *Solucion=1;
    	   else;/*dont do anything because Objetivo<0 or i=n */
    	else
    	{
    	   Posibilidad=0;
    	   Encontrado=0;
    	   do
    	   {
    	      Posibilidad++;
    	      switch(Posibilidad)
    	      {
    		 case 1:/*Inclusion*/
    		    MochilaExacta(OabjetivoAalcanzar-Pesos[i],i+1,&Encontrado);
    		    if(Encontrado)
    		       printf("%d",Pesos[i]); /*Its been included and has a solution*/
    		    break;
    		 case 2:/*Exclusion*/
    		    MochilaExacta(OabjetivoAalcanzar,i+1,&Encontrado);
    		    /*Even if Encontrado is true,there is nothing left to do*/
    	      }
    	   }
    	   while(!((Posibilidad==2)||Encontrado));
    	   *Solucion=Encontrado;
    	}
    }
    void MochilaExacta_N_R(int OabjetivoAalcanzar)
    {
    	int i,Solucion;
    	Pila *P;
    	lemento e,el;
    	i=0;
    	Solucion=0;
    	e.estado=Ninguno;
    	VaciaP(&P);
    	AnadeP(&P,e);/*Assigns the initial value to the pile P considering Pesos[0]*/
    	while(!EsVaciaP(P))
    	{
    	   e=PrimeroP(P);
    	   BorrarP(&P);
    	   if(Solucion)/*If you already have a solution then write it*/
    	   {
    	      if(e.estado==Incluido)
    		 printf("%d\n",Pesos[i]);/*Only written if something is included*/
    	      i--;
    	   }
    	   else
    	      if(((OabjetivoAalcanzar<=0)&&(e.estado==Ninguno))||(i==n))
    	      {
    		 if(OabjetivoAalcanzar==0)
    		    Solucion=1;/*A solution is always obtainable*/
    		 i--;/*the i hasnt been tested,You go back on the recursive*/
    	      }
    	   else/*There is no decision consider the state of the candidate*/
    	      switch(e.estado)
    	      {
    		 case Ninguno: /*1st it includes an advance in the recursive*/
    		    OabjetivoAalcanzar-=Pesos[i];
    		    i++;
    		    el.estado=Incluido;
    		    AnadeP(&P,el);
    		    el.estado=Ninguno;
    		    AnadeP(&P,el);
    		    break;
    		 case Incluido: /*Now the advance is excluded*/
    		    /*i-- is backed up;on option else of what*/
    		    OabjetivoAalcanzar+=Pesos[i];
    		    /*since it was removed it has to be added*/
    		    i++;
    		    el.estado=Excluido;
    		    AnadeP(&P,el);
    		    el.estado=Ninguno;AnadeP(&P,el);
    		    break;
    		 case Excluido:
    		    /*the current election didnt give any results ending recursivity*/
    		    i--;
    	 }
        }
    }
    void main (void)
    {
    	int Solucion;
    	Inicializa();
    	MochilaExacta(OabjetivoAalcanzar,0,&Solucion);
    	if(Solucion)
    	   printf("Solution given for Object=%d\n",OabjetivoAalcanzar);
    	Solucion=0;
    	OabjetivoAalcanzar=10;
    	MochilaExacta_N_R(OabjetivoAalcanzar);
    	if(Solucion)
    	   printf("A Solution was found");
    }

  2. #2
    Fear the Reaper...
    Join Date
    Aug 2005
    Location
    Toronto, Ontario, Canada
    Posts
    625
    What exactly is the problem ? What is it you're trying to do ? You can't just post code and expect us to know what's supposed to be going on...
    Teacher: "You connect with Internet Explorer, but what is your browser? You know, Yahoo, Webcrawler...?" It's great to see the educational system moving in the right direction

  3. #3
    Registered User
    Join Date
    May 2006
    Posts
    18
    Thats the thing i dont know what the problem is,i keep getting these 5 errors and i have no clue why,i mean i dont see the problem,It is a recursive program as i stated in the beginning.

    Errors im getting is:

    Code:
    enum Estados {Ninguno, Incluido, Excluido}
    struct elemento
    Too many types in declaration


    Code:
    struct elemento
    {
    	Estados estado;
    };
    Declaration missing ;


    Code:
    typedef elemento TipoDato;
    , expected

    Code:
    Pesos[0]=7; Pesos=[1]=5; Pesos[2]=4; Pesos[3]=4; Pesos[4]=1;
    Expression Syntax


    Code:
    Void MochilaExacta(int OabjetivoAalcanzar,int i,int *Solucion)
    Declaration Syntax Error

  4. #4
    Hurry Slowly vart's Avatar
    Join Date
    Oct 2006
    Location
    Rishon LeZion, Israel
    Posts
    6,794
    missing ;
    Code:
    enum Estados {Ninguno, Incluido, Excluido};
    void is case sensetiv
    Pesos=[1] - remove =

    don't put too much on one line - it is hard for you to see typing erros in the long lines
    All problems in computer science can be solved by another level of indirection,
    except for the problem of too many layers of indirection.
    – David J. Wheeler

  5. #5
    Registered User
    Join Date
    May 2006
    Posts
    18
    Quote Originally Posted by vart
    missing ;
    Code:
    enum Estados {Ninguno, Incluido, Excluido};
    void is case sensetiv
    Pesos=[1] - remove =

    don't put too much on one line - it is hard for you to see typing erros in the long lines
    Thank you lol fixing those 2 errors gave me a whopping 9 now lol i suck

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