hvi.cpp

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define vi vector<int>
#define vii vector<vi>
#define ii pair<int,int>
#define fi first
#define sc second
#define pb push_back
#define stoi stoll
#define popcnt __builtin_popcount
#define getbit(x, k) ((x >> k) & 1)
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define FOR(i,j,k) for(int i=j; i<(int)k; ++i)
#define look(a) cerr <<#a<<": "<<a<<endl;
#define look2(a,b) cerr <<#a<<": "<<a<<" | "<<#b<<": "<<b<< endl;

void solve()
{
    vi a;
    int x;
    while (cin >> x) a.push_back(x);
    int k = a.back();
    a.pop_back();
    int n = a.size();
    vi b;
    FOR(i,1,n+1) b.push_back(i);
    vi c = b;
    // First line
    int t = 1;
    while (b != a){
        t++;
        next_permutation(all(b));
    }
    cout << t << '\n';
    // Second line
    FOR(i,1,k) next_permutation(all(c));
    for(auto&i:c) cout << i << ' ';
}

signed main()
{
    cin.tie(0)->sync_with_stdio(0);
    freopen("in", "r", stdin);
    freopen("out", "w", stdout);
    int T = 1;
    // cin >> T;
    while (T--) {
        solve();
        cout << '\n';
    }
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
}