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Cod sursa(job #749042)
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
const int MAX_N = 20;
int n, k;
vector<int> v;
bool valid(int st, int dr)
{
if (st >= dr) return true;
int m;
for (m = st + 1; m <= dr; ++m)
if (v[m] > v[st]) break;
for (int i = m; i <= dr; ++i)
if (v[i] < v[st]) return false;
return valid(st + 1, m-1) && valid(m, dr);
}
int main()
{
freopen("planeta.in", "r", stdin);
freopen("planeta.out", "w", stdout);
scanf("%d %d", &n, &k);
for (int i = 1; i <= n; ++i)
v.push_back(i);
int cnt = 0;
do {if (valid(0, n-1)) ++cnt;
if (cnt == k) break; }
while (next_permutation(v.begin(), v.end()));
for (int i = 0; i < n; ++i)
printf("%d ", v[i]);
}