#include #include #define rep2(i, k, n) for (i64 i = (i64)(k); i < (i64)(n); i++) #define rep(i, n) rep2(i, 0, n) #define all(x) begin(x), end(x) #ifdef ENV_LOCAL #define dump \ if (1) cerr #else #define dump \ if (0) cerr #endif using namespace std; using namespace std::string_literals; using i32 = int32_t; using i64 = int64_t; using f64 = double; using f80 = long double; using vi32 = vector; using vi64 = vector; // using namespace harudake; // Light version using Data = int; const int len = 1 << 18; struct BIT { vector data; BIT() : data(len, 0) {} void update(int i, Data value) { for (; i < len; i |= i + 1) data[i] += value; } Data query(int i) { Data s = 0; for (; i >= 0; i = (i & i + 1) - 1) s += data[i]; return s; } }; i64 inv_num(const vi64& v) { i64 ans = 0; BIT bit; rep(i, size(v)) { ans += i - bit.query(v[i]); bit.update(v[i], 1); } return ans; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); i64 n; cin >> n; vi64 a(n); rep(i, n) cin >> a[i]; i64 ans_1 = n / 2; i64 count_small = 0, count_large = 0; vi64 selo(n), sole(n); bool ok_selo = true, ok_sole = true; rep(i, n) { if (a[i] <= ans_1) { selo[i] = count_small * 2; sole[i] = count_small * 2 + 1; if (sole[i] >= n) ok_sole = false; ++count_small; } else { selo[i] = count_large * 2 + 1; sole[i] = count_large * 2; if (selo[i] >= n) ok_selo = false; ++count_large; } } i64 ans_2 = n * n; if (ok_selo) { dump << "SELO "; for (auto&& e : selo) dump << e << " "; dump << endl; ans_2 = min(ans_2, inv_num(selo)); } if (ok_sole) { dump << "SOLE "; for (auto&& e : sole) dump << e << " "; dump << endl; ans_2 = min(ans_2, inv_num(sole)); } cout << ans_1 << " " << ans_2 << endl; return 0; }