Cod sursa(job #2058324)

Utilizator LauraNaduLaura Nadu LauraNadu Data 5 noiembrie 2017 14:41:34
Problema Bool Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.04 kb
#include<fstream>
#include<cstring>
using namespace std;
ifstream f("bool.in");
ofstream g("bool.out");
int n, i, j, p, x;
bool v[30];
char s[1000], c[100];
bool evaluare();
bool NOT()
{
    bool r=0;
    bool k=0;
    while(s[p]=='N' && s[p+1]=='O')
    {
        p+=3;
        if(k==0)
            k=1;
        else k=0;
        while(s[p]==' ')
            p++;
    }
    if(s[p]=='(')
    {
        p++;
        r=evaluare();
        p++;
        while(s[p]==' ')
            p++;
    }
    if(s[p]=='T' && s[p+1]=='R')
    {
        p+=4;
        r=1;
    }
    else if(s[p]=='F')
        {
            p+=5;
            r=0;
        }
        else if(s[p]>='A' && s[p]<='Z' && (s[p+1]<'A' || s[p+1]>'Z'))
        {
            int x=(int)s[p]-64;
            r=v[x];
            p++;
        }
    while(s[p]==' ')
        p++;
    if(k==1)
        if(r==0)
            r=1;
        else if(r==1)
                r=0;
    return r;
}
bool AND()
{
    //while(s[p]==' ')
        //p++;
    bool r=NOT();
    while(s[p]=='A')
    {
        p+=3;
        while(s[p]==' ')
            p++;
        if(!(NOT()==1 && r==1))
            r=0;
    }
    if(s[p]=='T' && s[p+1]=='R')
    {
        p+=4;
        r=1;
    }
    else if(s[p]=='F')
        {
            p+=5;
            r=0;
        }
        else if(s[p]>='A' && s[p]<='Z' && (s[p+1]<'A' || s[p+1]>'Z'))
        {
            int x=(int)s[p]-64;
            r=v[x];
            p++;
        }
    return r;
}
bool evaluare()
{
    while(s[p]==' ')
        p++;
    bool r=AND();
    while(s[p]=='O' && s[p+1]=='R')
    {
        p+=2;
        while(s[p]==' ')
            p++;
        if(AND()==1 || r==1)
            r=1;
        else r=0;
    }
    return r;
}
int main()
{
    f.get(s,1000);
    f>>n;
    for(i=0;i<n;i++)
        f>>c[i];
    for(i=0;i<n;i++)
    {
        x=c[i]-64;
        if(v[x]==1)
            v[x]=0;
        else v[x]=1;
        p=0;
        g<<evaluare();
    }
    return 0;
}