結果
問題 | No.2304 Distinct Elements |
ユーザー |
|
提出日時 | 2023-05-13 09:41:51 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 46 ms / 3,000 ms |
コード長 | 6,073 bytes |
コンパイル時間 | 2,175 ms |
コンパイル使用メモリ | 205,616 KB |
最終ジャッジ日時 | 2025-02-12 23:52:39 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 58 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define rep(i, n) for (int i = 0; i < (n); i++)#define per(i, n) for (int i = (n)-1; i >= 0; i--)#define rep2(i, l, r) for (int i = (l); i < (r); i++)#define per2(i, l, r) for (int i = (r)-1; i >= (l); i--)#define each(e, v) for (auto &e : v)#define MM << " " <<#define pb push_back#define eb emplace_back#define all(x) begin(x), end(x)#define rall(x) rbegin(x), rend(x)#define sz(x) (int)x.size()using ll = long long;using pii = pair<int, int>;using pil = pair<int, ll>;using pli = pair<ll, int>;using pll = pair<ll, ll>;template <typename T>using minheap = priority_queue<T, vector<T>, greater<T>>;template <typename T>using maxheap = priority_queue<T>;template <typename T>bool chmax(T &x, const T &y) {return (x < y) ? (x = y, true) : false;}template <typename T>bool chmin(T &x, const T &y) {return (x > y) ? (x = y, true) : false;}template <typename T>int flg(T x, int i) {return (x >> i) & 1;}int popcount(int x) { return __builtin_popcount(x); }int popcount(ll x) { return __builtin_popcountll(x); }int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); }int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); }int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); }int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); }template <typename T>void print(const vector<T> &v, T x = 0) {int n = v.size();for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');if (v.empty()) cout << '\n';}template <typename T>void printn(const vector<T> &v, T x = 0) {int n = v.size();for (int i = 0; i < n; i++) cout << v[i] + x << '\n';}template <typename T>int lb(const vector<T> &v, T x) {return lower_bound(begin(v), end(v), x) - begin(v);}template <typename T>int ub(const vector<T> &v, T x) {return upper_bound(begin(v), end(v), x) - begin(v);}template <typename T>void rearrange(vector<T> &v) {sort(begin(v), end(v));v.erase(unique(begin(v), end(v)), end(v));}template <typename T>vector<int> id_sort(const vector<T> &v, bool greater = false) {int n = v.size();vector<int> ret(n);iota(begin(ret), end(ret), 0);sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; });return ret;}template <typename T>void reorder(vector<T> &a, const vector<int> &ord) {int n = a.size();vector<T> b(n);for (int i = 0; i < n; i++) b[i] = a[ord[i]];swap(a, b);}template <typename T>T floor(T x, T y) {assert(y != 0);if (y < 0) x = -x, y = -y;return (x >= 0 ? x / y : (x - y + 1) / y);}template <typename T>T ceil(T x, T y) {assert(y != 0);if (y < 0) x = -x, y = -y;return (x >= 0 ? (x + y - 1) / y : x / y);}template <typename S, typename T>pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) {return make_pair(p.first + q.first, p.second + q.second);}template <typename S, typename T>pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) {return make_pair(p.first - q.first, p.second - q.second);}template <typename S, typename T>istream &operator>>(istream &is, pair<S, T> &p) {S a;T b;is >> a >> b;p = make_pair(a, b);return is;}template <typename S, typename T>ostream &operator<<(ostream &os, const pair<S, T> &p) {return os << p.first << ' ' << p.second;}struct io_setup {io_setup() {ios_base::sync_with_stdio(false);cin.tie(NULL);cout << fixed << setprecision(15);}} io_setup;const int inf = (1 << 30) - 1;const ll INF = (1LL << 60) - 1;// const int MOD = 1000000007;const int MOD = 998244353;template <typename T>struct Slope_Trick {priority_queue<T> l;priority_queue<T, vector<T>, greater<T>> r;const T INF_T = numeric_limits<T>::max() / 2;T add_l, add_r;T min_f = 0;// f(x) = 0 で初期化Slope_Trick() : add_l(0), add_r(0) {l.push(-INF_T);r.push(INF_T);}T get_min() const { return min_f; };void add_constant(const T &c) { min_f += c; };// f(x) += max(-x+a, 0)void add_line_left(const T &a) {if (a > r.top() + add_r) {min_f += -(r.top() + add_r) + a;l.push(r.top() + add_r - add_l);r.pop();r.push(a - add_r);} else {l.push(a - add_l);}}// f(x) += max(x-a, 0)void add_line_right(const T &a) {if (a < l.top() + add_l) {min_f += (l.top() + add_l) - a;r.push(l.top() + add_l - add_r);l.pop();l.push(a - add_l);} else {r.push(a - add_r);}}// f(x) += |x-a|void add_abs(const T &a) {add_line_left(a);add_line_right(a);}// f(x) <- min{f(y) | y <= x}void left_min() {while ((int)r.size() > 1) r.pop();}// f(x) <- min{f(y) | y >= x}void right_min() {while ((int)l.size() > 1) l.pop();}// f(x) <- min{f(y) | x-b <= y <= x-a}void slide_min(const T &a, const T &b) {assert(a <= b);add_l += a;add_r += b;}// f(x) <- f(x-a)void shift(const T &a) {add_l += a;add_r += a;}// f(x) を入手 (ただし、l と r は破壊される)T get(const T &x) {T ret = min_f;while (!l.empty()) {ret += max(T(0), -x + (l.top() + add_l));l.pop();}while (!r.empty()) {ret += max(T(0), x - (r.top() + add_r));r.pop();}return ret;}};void solve() {int N;cin >> N;vector<int> a(N);rep(i, N) cin >> a[i];sort(all(a));rep(i, N) a[i] -= i;Slope_Trick<ll> st;rep(i, N) {st.left_min();st.add_abs(a[i]);}cout << st.get_min() << '\n';}int main() {int T = 1;// cin >> T;while (T--) solve();}