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Cod sursa(job #986121)
#include<stdio.h>
bool t[1005],b;
unsigned v[1005],a[1005][5],n,l,k;
void bck(unsigned m)
{
if(b)
{
unsigned i,j;
if(m!=n+1)
{
for(i=1;i<=n;i++)
if(t[i]==0)
{
for(j=1;j<=3;j++)
if(a[i][j]==v[i-1])
break;
if(j==4)
{
t[i]=1;
v[m]=i;
bck(m+1);
t[i]=0;
}
}
}
else
{
l++;
if(l==k)
{
b=0;
for(i=1;i<m;i++)
printf("%u ",v[i]);
}
}
}
}
int main()
{
freopen("dusman.in","r",stdin);
freopen("dusman.out","w",stdout);
unsigned m,i,x,y;
l=0;
b=1;
v[0]=1005;
scanf("%u%u%u",&n,&k,&m);
for(i=1;i<=m;i++)
{
scanf("%u%u",&x,&y);
a[x][0]++;
a[x][a[x][0]]=y;
a[y][0]++;
a[y][a[y][0]]=x;
}
bck(1);
return 0;
}