結果
問題 | No.1270 Range Arrange Query |
ユーザー | stoq |
提出日時 | 2020-09-18 05:58:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,985 bytes |
コンパイル時間 | 2,403 ms |
コンパイル使用メモリ | 208,200 KB |
実行使用メモリ | 9,332 KB |
最終ジャッジ日時 | 2024-06-28 05:19:13 |
合計ジャッジ時間 | 22,894 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 237 ms
5,376 KB |
testcase_07 | AC | 4,855 ms
5,376 KB |
testcase_08 | AC | 413 ms
5,376 KB |
testcase_09 | AC | 2,814 ms
5,376 KB |
testcase_10 | AC | 3,382 ms
5,376 KB |
testcase_11 | TLE | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
ソースコード
#define MOD_TYPE 1 #pragma region Macros #include <bits/stdc++.h> using namespace std; #if 0 #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using Int = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; #endif #if 1 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif using ll = long long int; using ld = long double; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename Q_type> using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); //constexpr ll MOD = 1; constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr double PI = acos(-1.0); constexpr double EPS = 1e-9; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define Yay(n) cout << ((n) ? "Yay!" : ":(") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; struct io_init { io_init() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); }; } io_init; template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } template <typename T, typename U> constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept { is >> p.first >> p.second; return is; } template <typename T, typename U> constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept { os << p.first << " " << p.second; return os; } #pragma endregion template <typename T> struct BIT { int n; vector<T> dat; BIT() {} BIT(int n_) : n(n_), dat(n_, 0) {} // 0-indexed void add(int i, T x) { i++; while (i <= n) { dat[i - 1] += x; i += i & -i; } } // [0, i) T sum(int i) { T res = 0; while (i > 0) { res += dat[i - 1]; i -= i & -i; } return res; } // 0-indexed T get(int i) { return sum(i + 1) - sum(i); } // [l, r) T sum(int l, int r) { return sum(r) - sum(l); } void display() { for (int i = 0; i < n; i++) cerr << get(i) << " "; cerr << "\n"; } }; int n; int a[200010]; ll L[200010], R[200010]; ll calc(int l, int r) { ll inv = 0; BIT<ll> bit(n); rep(i, n) { if (l <= i and i < r) continue; inv += bit.sum(a[i] + 1, n); bit.add(a[i], 1); } fill(L, L + n, 0); fill(R, R + n, 0); rep(i, n) { if (i < l) { if (a[i] != 0) L[a[i] - 1]++; } else if (i >= r) { R[a[i] + 1]++; } } for (int i = n - 1; i > 0; i--) L[i - 1] += L[i]; rep(i, n - 1) R[i + 1] += R[i]; ll Min = LINF; rep(i, n) chmin(Min, L[i] + R[i]); return inv + Min * (r - l); } void solve() { // O(NQlogN)(定数倍軽め) int q; cin >> n >> q; rep(i, n) { cin >> a[i]; a[i]--; } rep(qi, q) { int l, r; cin >> l >> r; l--; cout << calc(l, r) << "\n"; } } int main() { solve(); }