Cod sursa(job #413385)

Utilizator RoCkyRomila RoCky Data 8 martie 2010 14:23:54
Problema Dusman Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.72 kb
#include <fstream>
std::ifstream in("dusman.in");
std::ofstream out("dusman.out");
int n,poz,m;
int d1[1000],d2[1000],sir[1002];
void afisare()
{
	
	int i;
	for(i=0;i<n;i++)
		out<<sir[i]<<" ";
	out<<'\n';
}
void back(int k)
{
	bool ok;
	int i,j;
	if(k==n)
		if(poz==1)
			afisare(),poz--;
		else
			poz--;
	else
		for(i=1;i<=n;i++)
		{
			ok = true;
			for(j=0;j<k;j++)
				if(sir[j]==i)
					ok=false;
			for(j=0;j<m;j++)
				if(d1[j]==i)
					if(d2[j]==sir[k-1])
						ok=false;
				else;
				else if(d2[j]==i)
					if(d1[j]==sir[k-1])
						ok=false;
			if(ok)
				sir[k]=i,back(k+1);
		}
}
int main ()
{
	int i;
	in>>n>>poz>>m;
	for(i=0;i<m;i++)
		in>>d1[i]>>d2[i];
	back(0);
	return 0;
}