Cod sursa(job #2190714)

Utilizator Marina23Oprea Marina Marina23 Data 31 martie 2018 16:26:12
Problema Bool Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.28 kb
#include <fstream>
#include <string.h>

using namespace std;

#define Dim 1005

int N,Val,i,j,Nrschimb,Vf,Vfcalc,Vfop;
char Sir[Dim],Oper[Dim],Stiva[Dim],X,Op;
bool Calcul[Dim],Valoare[260];
short int Prioritate[260];

void evaluare()
{
    if(Stiva[j]=='&') Calcul[Vfcalc-1]=Calcul[Vfcalc]&Calcul[Vfcalc-1];
    else
        if(Stiva[j]=='|') Calcul[Vfcalc-1]=Calcul[Vfcalc]|Calcul[Vfcalc-1];
    --Vfcalc;
}

int main()
{
    ifstream fin("bool.in"); ofstream fout("bool.out");

    fin.get(Sir,1003,'\n'); N=strlen(Sir);
    Prioritate['(']=0; Prioritate['|']=1; Prioritate['&']=2; Prioritate['!']=3;
    Valoare['t']=1; Valoare['f']=0;
    for(i=0;i<=N-1;++i)
    {
        if(Sir[i]>='A' and Sir[i]<='Z' and Sir[i+1]>='A' and Sir[i+1]<='Z')
        {
            Op=0;
            if(Sir[i]=='A') {Op='&'; i+=2;}
            else
                if(Sir[i]=='O') {Op='|'; ++i;}
                else
                    if(Sir[i]=='N') {Op='!'; i+=2;}
                    else
                        if(Sir[i]=='T') {Val='t'; i+=3;}
                        else {Val='f'; i+=4;}
            if(Op==0) Stiva[++Vf]=Val;
            else
                if(Op=='!') Stiva[++Vf]=Op;
                else
                {
                    while(Vfop>=1 and Prioritate[Op]<=Prioritate[Oper[Vfop]]) Stiva[++Vf]=Oper[Vfop--];
                    Oper[++Vfop]=Op;
                }
        }
        else
            if(Sir[i]>='A' and Sir[i]<='Z') Stiva[++Vf]=Sir[i];
            else
                if(Sir[i]=='(') Oper[++Vfop]=Sir[i];
                else
                    if(Sir[i]==')')
                    {
                        while(Oper[Vfop]!='(') Stiva[++Vf]=Oper[Vfop--];
                        --Vfop;
                    }
    }
    while(Vfop>=1) Stiva[++Vf]=Oper[Vfop--];
    fin>>Nrschimb;
    for(i=1;i<=Nrschimb;++i)
    {
        fin>>X;
        Valoare[X]=!Valoare[X]; Vfcalc=0;
        for(j=1;j<=Vf;++j)
        {
            if(Stiva[j]>='A' and Stiva[j]<='Z') Calcul[++Vfcalc]=Valoare[Stiva[j]];
            else
                if(Stiva[j]=='!') Calcul[Vfcalc]=!Calcul[Vfcalc];
                else
                    evaluare();
        }
        fout<<Calcul[1];
    }

    fin.close (); fout.close();
    return 0;
}