Cod sursa(job #2265055)

Utilizator mihai50000Mihai-Cristian Popescu mihai50000 Data 20 octombrie 2018 16:07:53
Problema Bool Scor 60
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.95 kb
#include <fstream>
#include <vector>
#include <bitset>
#include <unordered_map>
#include <algorithm>
#include <queue>
#include <math.h>
#include <iomanip>
#include <stack>
  
using namespace std;

ifstream cin("bool.in");
ofstream cout("bool.out");

string s;

int val[300];

int i = 0;

int factor();
int termen();

int eval()
{
	
	int r = termen();
	
	while(s[i] == 'O' && s[i + 1] == 'R')
	{
		i += 2;
		r |= factor();
	}
	
	return r;
}

int factor()
{
	int r = termen();
	
	while(s[i] == 'A' && s[i + 1] == 'N' && s[i + 2] == 'D')
	{
		i += 3;
		r &= termen();
	}
	
	return r;
}

int termen()
{
	if(s[i] == '(')
	{
		i++;
		eval();
		i++;
		if(s[i] == ' ')
			i++;
	}
	
	if(s[i] == 'N' && s[i + 1] == 'O' && s[i + 2] == 'T')
	{
		i += 3;
		return !termen();
	}
	
	i += 2;
	
	if(s[i] == ' ')
		i++;
	return val[s[i - 2]];
	
}

main()
{
	getline(cin, s);
	
	int n;
	cin >> n;
	
	while(n--)
	{
		char c;
		cin >> c;
		
		val[c] ^= 1;
		
		i = 0;
		cout << eval();
	}
}