Cod sursa(job #63915)

Utilizator anna_bozianuBozianu Ana anna_bozianu Data 31 mai 2007 15:28:08
Problema Bool Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.92 kb
#include<stdio.h>
#include<string.h>
#include<ctype.h>
char expr[1011],aux[1011],stiva[1011],pol[1001],c;
int l,i,j,top,n,eval[1000],val[150];
int main()
{
	FILE *f,*g;
	f=fopen("bool.in","r");
	g=fopen("bool.out","w");
	fgets(aux,1002,f);
	l=strlen(aux);
	while(i<l-1)
	{       if(aux[i]==' ')i++;
		else if(aux[i]=='T'&&aux[i+1]=='R'){expr[j]='1';i=i+4;j++;}
		else if(aux[i]=='F'&&aux[i+1]=='A'){expr[j]='0';i=i+5;j++;}
		else if(aux[i]=='O'&&aux[i+1]=='R'){expr[j]='+';i=i+2;j++;}
		else if(aux[i]=='A'&&aux[i+1]=='N'){expr[j]='*';i=i+3;j++;}
		else if(aux[i]=='N'&&aux[i+1]=='O'){expr[j]='-';i=i+3;j++;}
		else {expr[j]=aux[i];i++;j++;}
	}
	l=strlen(expr);
	strcpy(aux,"");
	j=0;top=-1;i=0;
	while(i<l)
	{ if(isalnum(expr[i]))
	   {pol[j]=expr[i];j++;i++;}
	  else
	   if(expr[i]=='('){top++;stiva[top]='(';i++;}
	   else
	    if(expr[i]==')')
	     {while(stiva[top]!='(')
	       {pol[j]=stiva[top];j++;top--;}
		top--;
		i++;
	      }
	      else
	       if(expr[i]=='+')
		{while(stiva[top]=='*'||stiva[top]=='-')
		  { pol[j]=stiva[top];j++;top--;}
		  top++;stiva[top]='+';i++;
		}
	       else
		if(expr[i]=='*')
		 { while(stiva[top]=='-')
		    { pol[j]=stiva[top];j++;top--;}
		   top++;stiva[top]='*';i++;
		 }
		else
		 if(expr[i]=='-')
		   { top++;stiva[top]='-';i++;}
	}
      while(top>=0)
	{ pol[j]=stiva[top];j++;top--;}
	l=strlen(pol);
	fscanf(f,"%d",&n);
	fscanf(f,"%c",&c);
	val['1']=1;val['0']=0;
	for(i=1;i<=n;i++)
	{ fscanf(f,"%c",&c);
	  val[c]=1-val[c];
	  top=-1;
	  for(j=0;j<l;j++)
	  if(isalnum(pol[j]))
	    {top++;eval[top]=val[pol[j]];}
	   else
	    if(pol[j]=='-') eval[top]=!eval[top];
	     else
	      if(pol[j]=='*')
	       { eval[top-1]=eval[top]&&eval[top-1];eval[top]=0;top--;}
	       else
		if(pol[j]=='+')
		{ eval[top-1]=eval[top]||eval[top-1];eval[top]=0;top--;}
	  fprintf(g,"%d",eval[0]);
	}
	fprintf(g,"\n");
	fcloseall();
	return 0;
}