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Cod sursa(job #127181)
#include <stdio.h>
long st[1001], used[1001], x[1001][1001], a, b, i, j, n, m, kk, kkk, found;
void back(int k)
{
if (k == n + 1)
{
kkk ++;
if (kkk == kk)
{
for (int c = 1; c <= n; c ++)
printf("%ld ", st[c]);
printf("\n");
found = 1;
}
}
else
{
for (int c = 1; c <= n && !found; c ++)
{
if (!used[c] && !x[c][st[k - 1]])
{
used[c] = 1;
st[k] = c;
back(k + 1);
used[c] = 0;
}
}
}
}
int main()
{
freopen ("dusman.in", "rt", stdin);
freopen ("dusman.out", "wt", stdout);
scanf("%ld %ld %ld", &n, &kk, &m);
for (i = 1; i <= m; i ++)
{
scanf("%ld %ld", &a, &b);
x[a][b] = x[b][a] = 1;
}
back(1);
return 0;
}