Pagini recente » Cod sursa (job #365044) | Cod sursa (job #1139869) | Cod sursa (job #2919314) | Cod sursa (job #1466968) | Cod sursa (job #2833091)
#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
const int N = 1e4 + 1;
char cs[N];
char s[N];
void modif(){
int idx = 0;
int cnt = 0;
int len = strlen(cs);
while(idx < len){
if(cs[idx] == ' ')
idx++;
else if(cs[idx] == 'A' && idx + 2 < len && cs[idx + 1] == 'N' && cs[idx + 2] == 'D'){
s[cnt++] = '&';
idx += 3;
}else if(cs[idx] == 'O' && idx + 1 < len && cs[idx + 1] == 'R'){
s[cnt++] = '|';
idx += 2;
}else if(cs[idx] == 'N' && idx + 2 < len && cs[idx + 1] == 'O' && cs[idx + 2] == 'T'){
s[cnt++] = '!';
idx += 3;
}else if(cs[idx] == 'T' && idx + 3 < len && cs[idx + 1] == 'R' && cs[idx + 2] == 'U' && cs[idx + 3] == 'E'){
s[cnt++] = '1';
idx += 4;
}else if(cs[idx] == 'F' && idx + 4 < len && cs[idx + 1] == 'A' && cs[idx + 2] == 'L' && cs[idx + 3] == 'S' && cs[idx + 4] == 'E'){
s[cnt++] = '0';
idx += 5;
}else{
s[cnt++] = cs[idx];
idx++;
}
}
}
bool vars[30];
int nvars;
int p;
bool expresie();
bool termen();
bool factor();
bool expresie(){
bool rez = termen();
while(s[p] == '|'){
p++;
rez = termen() || rez;
}
return rez;
}
bool termen(){
bool rez = factor();
while(s[p] == '&'){
p++;
rez = factor() && rez;
}
return rez;
}
bool factor(){
bool semn = true;
bool rez;
while(s[p] == '!'){
p++;
semn = !semn;
}
if(s[p] == '('){
p++;
rez = expresie();
}
else if(s[p] == '0')
rez = false;
else if(s[p] == '1')
rez = true;
else
rez = vars[s[p] - 'A'];
p++;
if(semn)
return rez;
return !rez;
}
int main()
{
ifstream fin("bool.in");
ofstream fout("bool.out");
fin.getline(cs, N);
modif();
int n;
fin >> n;
char c;
for(int i = 0; i < n; i++){
fin >> c;
vars[c - 'A'] = !vars[c - 'A'];
p = 0;
fout << expresie();
}
return 0;
}