Cod sursa(job #743957)

Utilizator BarracudaFMI-Alex Dobrin Barracuda Data 6 mai 2012 21:18:56
Problema Bool Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.98 kb
#include <fstream.h>
#include <string.h>
#include <stdlib.h>
#define MaxN 109
#define MaxS 1009
#define MaxC 30

char S[MaxS],sch[MaxN],str[MaxN];
int N,k,var[MaxC];

int termen();
int factor();
ifstream fin("bool.in");
ofstream fout("bool.out");
int eval()
{
	int r=termen();
	while (S[k]=='O' && S[k+1]=='R')
	{
		k+=3;
		r|=termen();
	}
	return r;
}

int termen()
{
	int r=factor();
	while (S[k]=='A' && S[k+1]=='N' && S[k+2]=='D')
	{
		k+=4;
		r&=factor();
	}
	return r;
}
	
int factor(){
	int r;
	if (S[k]=='('){
		k++;
		r=eval();
		k++;
	}
	else 
	if (S[k]=='N' && S[k+1]=='O'){
		k+=4;
		r=!factor();
	}
	else 
	if (S[k]=='T' && S[k+1]=='R'){
		r=1;
		k+=5;
	}
	else
		if (S[k]=='F' && S[k+1]=='A'){
			r=0;
			k+=6;
		}
		else{
				r=var[S[k]-'A'];
				k+=2;
				}
	return r;
}

int main(){
	fin.get(S,MaxS,'\n');
	fin.get();
	fin>>N; fin.get();
	fin.get(sch,MaxN,'\n');
	fin.close();
	for(int i=0;i<N;i++){
		var[sch[i]-'A']=1-var[sch[i]-'A'];
		k=0;
		fout<<eval();
	}
	fout.close();
}