Pagini recente » Cod sursa (job #1230555) | Cod sursa (job #1799929) | Cod sursa (job #479768) | Cod sursa (job #2000104) | Cod sursa (job #1498613)
#include <iostream>
#include <fstream>
#include <cstring>
#include <vector>
#include <stack>
using namespace std;
ifstream fin("bool.in");
ofstream fout("bool.out");
const int NMax = 1005;
const int LMax = 30;
const string AND ("AND");
const string OR ("OR");
const string NOT ("NOT");
const string TRUE ("TRUE");
const string FALSE ("FALSE");
int k;
char v[NMax];
stack < int > nums;
stack < char > ops;
vector < int > l[LMax];
void operation(){
char op = ops.top(); ops.pop();
int b = nums.top(); nums.pop();
if(op == '!'){
nums.push(!b);
return;
}
int a = nums.top(); nums.pop();
if(op == '+') nums.push(a & b);
if(op == '-') nums.push(a | b);
}
inline int priority(char c){
if(c == '+' || c == '-') return 1;
if(c == '!') return 2;
return 0;
}
void solve(){
int p, x;
ops.push('1');
for(int i = 0; i < k; i++){
if(v[i] == '('){
ops.push(v[i]);
} else {
if(v[i] == ')'){
while(ops.top() != '('){
operation();
}
ops.pop();
} else {
p = priority(v[i]);
if(p){
while(priority(ops.top()) >= p){
operation();
}
ops.push(v[i]);
} else {
for(x = 0; isdigit(v[i]); i++){
x = x * 10 + (v[i] - '0');
}
nums.push(x);
i--;
}
}
}
}
while(ops.size() > 1){
operation();
}
ops.pop();
}
int main(){
int n;
bool ok = 1;
char c;
string s;
while(ok && fin >> s){
fin.get(c);
if(c == '\n'){
ok = 0;
}
for(int i = 0; i < s.size(); i++){
if(s.compare(i, 3, AND) == 0){
v[k++] = '+';
i += 2;
} else {
if(s.compare(i, 3, NOT) == 0){
v[k++] = '!';
i += 2;
} else {
if(s.compare(i, 2, OR) == 0){
v[k++] ='-';
i += 1;
} else {
if(s[i] == ')' || s[i] == '('){
v[k++] = s[i];
} else {
if(s.compare(i, 4, TRUE) == 0){
v[k++] = '1';
i += 3;
} else {
if(s.compare(i, 5, FALSE) == 0){
v[k++] = '0';
i += 4;
} else {
l[s[i] - 'A'].push_back(k);
v[k++] = '0';
}
}
}
}
}
}
}
}
fin >> n;
for(int i = 1; i <= n; i++){
fin >> c;
for(int i = 0; i < l[c - 'A'].size(); i++){
if(v[l[c - 'A'][i]] == '1'){
v[l[c - 'A'][i]] = '0';
} else {
v[l[c - 'A'][i]] = '1';
}
}
solve();
fout << nums.top();
nums.pop();
}
return 0;
}