Cod sursa(job #1816417)

Utilizator mirunazMiruna Zavelca mirunaz Data 26 noiembrie 2016 14:14:40
Problema Bool Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.64 kb
#include <cstdio>
#include <cstring>
using namespace std;

int n, v[130], p;
char s[1003], c;

int expresie ();

int valoare ()
{
    return v[s[p]];
}

int factor ()
{
    if (s[p] == ' '){
        p ++;
    }
    int ans = 0;
    if (s[p] == '('){
        return 0;
    }
    else if (s[p+1] == ' '){
        ans = valoare ();
        p +=2;
    }
    else if (s[p+1] == ')'){
        ans = valoare ();
        p ++;
    }
    else if (s[p] == 'T'){
        ans = 1;
        p += 4;
    }
    else if (s[p] == 'F'){
        ans = 0;
        p += 5;
    }
    return ans;
}

int termen ()
{
    if (s[p] == ' '){
        p ++;
    }
    int ans = factor();
    if (s[p] == '('){
        p ++;
        ans = expresie();
        p ++;
    }
    else if (s[p] == 'N' && s[p+1] == 'O'){
        p += 4;
        ans = (termen ()+1) %2;
    }
    else if (s[p+1] == ' ' || s[p] == 'T' || s[p] == 'F'){
        ans = factor ();
    }
    return ans;
}

int expresie ()
{
    if (s[p] == ' '){
        p ++;
    }
    int ans = termen ();
    while ((s[p] == 'A' && s[p+1] == 'N') || (s[p] == 'O' && s[p+1] == 'R')){
        if (s[p] == 'A'){
            p += 4;
            ans &= termen ();
        }
        else{
            p += 3;
            ans |= termen ();
        }
    }
    return ans;
}

int main ()
{
    freopen ("bool.in", "r", stdin);
    freopen ("bool.out", "w", stdout);
    gets (s);
    scanf ("%d ", &n);
    for (int i=1; i<=n; i++){
        scanf ("%c", &c);
        v[c] ++;
        v[c] %= 2;
        p = 0;
        printf ("%d", expresie ());
    }
    return 0;
}