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Cod sursa(job #376448)
#include<stdio.h>
#include<stdlib.h>
#define DIM 1005
struct ok
{
int x,y;
} a[3*DIM];
int n,m,b[DIM],k2,k,v[DIM];
void read ()
{
int i;
scanf("%d%d%d",&n,&k,&m);
for(i=1;i<=m;++i)
scanf("%d%d",&a[i].x,&a[i].y);
}
void show ()
{
int i;
for(i=1;i<=n;++i)
printf("%d ",b[i]);
exit (0);
}
int check (int x,int y)
{
int i;
for(i=1;i<=m;++i)
if((a[i].x==x && a[i].y==y) || (a[i].x==y && a[i].y==x))
return 0;
return 1;
}
void back (int x)
{
int i;
if(x==n+1)
++k2;
else
for(i=1;i<=n;++i)
if(check(b[x-1],i) && !v[i])
{
b[x]=i;
v[i]=1;
back(x+1);
v[i]=0;
}
if(k2==k)
show ();
}
int main ()
{
freopen("dusman.in","r",stdin);
freopen("dusman.out","w",stdout);
read ();
back(1);
return 0;
}