#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> // using mint = modint998244353; template void debug(T e) { cerr << e << endl; } template void debug(vector &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(map &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } ll op(ll a, ll b) { return a + b; } ll e() { return 0LL; } int main() { ll T; cin >> T; while (T--) { ll n; cin >> n; vector p(n); for (ll i = 0; i < n; i++) { cin >> p[i]; } segtree seg(n + 1); deque dq; ll ans = 0; for (ll i = 0; i < n; i++) { ll tp = seg.prod(0, p[i]); ll bm = seg.prod(p[i], n + 1); if (tp == bm) { if (dq.front() > p[i]) { dq.push_front(p[i]); ans += tp; } else { dq.push_back(p[i]); ans += bm; } } else if (tp < bm) { dq.push_front(p[i]); ans += tp; } else { dq.push_back(p[i]); ans += bm; } seg.set(p[i], seg.get(p[i]) + 1); } cout << ans << endl; for (ll i = 0; i < n; i++) { cout << dq.front(); dq.pop_front(); if (i < n - 1) { cout << " "; } } cout << endl; } }