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Cod sursa(job #256906)
#include <stdio.h>
#include <stdlib.h>
#define NMAX 1001
int n,p,m,d[NMAX][NMAX],i,x,y,st[NMAX],q,ap[10];
int valid(int k)
{
if (ap[st[k]])
return 0;
if (d[st[k]][st[k-1]])
return 0;
return 1;
}
void afis(int k)
{
int i;
for (i=1;i<=k;i++)
printf("%d ", st[i]);
exit(0);
}
void back(int k)
{
int x;
for (x=1;x<=n;x++)
{
st[k]=x;
if (valid(k))
{
if (k==n) {
q++;
if (q==p)
{
afis(k);
}
}
else{
ap[st[k]]=1;
back(k+1);
ap[st[k]]=0;
}
}
}
}
int main()
{
freopen("dusman.in","r",stdin);
freopen("dusman.out","w",stdout);
scanf("%d %d %d", &n, &p, &m);
for (i=1;i<=m;i++)
{
scanf("%d %d", &x,&y);
d[x][y]=1;
d[y][x]=1;
}
back(1);
return 0;
}