Cod sursa(job #446191)

Utilizator RoCkyRomila RoCky Data 25 aprilie 2010 12:50:25
Problema Dusman Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.63 kb
#include <fstream>
std::ifstream in("dusman.in");
std::ofstream out("dusman.out");
int n,poz,m;
int d[1002][1002],sir[1002];
bool fol[1002];
void afisare()
{
	
	int i;
	for(i=0;i<n;i++)
		out<<sir[i]<<" ";
	out<<'\n';
}
void back(int k)
{
	int i,j;
	if(k==n&&poz>0)
		if(poz==1)
			afisare(),poz--;
		else
			poz--;
	else
		if(poz>0)
		for(i=1;i<=n;i++)
		{
			if(fol[i]==0&&d[i][sir[k-1]]==0)
			{
				sir[k]=i;
				fol[i]=1;
				back(k+1);
				fol[i]=0;
			}
		}
}
int main ()
{
	int i,nr,x;
	in>>n>>poz>>m;
	for(i=0;i<m;i++)
	{
		in>>nr>>x;
		d[nr][x]=1;
		d[x][nr]=1;
	}
	back(0);
	return 0;
}