Cod sursa(job #709142)

Utilizator lucian666Vasilut Lucian lucian666 Data 7 martie 2012 18:21:57
Problema Dusman Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.63 kb
#include<fstream>
using namespace std;
ofstream out("dusman.out");
int x[1001],a[1001][1001],uz[1001],n,m,k;
void back( int );
void citire();
void afis();
int main()
{
	citire();
	back(1);
	return 0;
}
void afis()
{
	for(int i=1;i<=n;i++)
		out<<x[i]<<" ";
}
void citire()
{
	ifstream in("dusman.in");
	in>>n>>k>>m;
	int i,j;
	for(;m;--m)
	{
		in>>i>>j;
		a[i][j]=a[j][i]=1;
	}
}
void back(int kk)
{
	for(int i=1;i<=n&&k;i++)
		if(!uz[i])
		{
			x[kk]=i;
			uz[i]=1;
			if(a[x[kk]][x[kk-1]]==0)
			if(kk==n)
			{
				--k;
			if(k==0)
				afis();
			}
			else
				back(kk+1);
			uz[i]=0;
		}
}