結果

問題 No.1028 闇討ち
ユーザー kuhaku
提出日時 2025-05-30 00:05:04
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 316 ms / 2,000 ms
コード長 4,354 bytes
コンパイル時間 4,148 ms
コンパイル使用メモリ 313,480 KB
実行使用メモリ 24,832 KB
最終ジャッジ日時 2025-05-30 00:05:14
合計ジャッジ時間 9,290 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 20
権限があれば一括ダウンロードができます

ソースコード

diff # 

// competitive-verifier: PROBLEM
#include <algorithm>
#include <functional>
#include <queue>
#include <vector>
/// @brief slope trick
template <class T>
struct slope_trick {
    T min_f;
    std::priority_queue<T> l;
    std::priority_queue<T, std::vector<T>, std::greater<>> r;
    slope_trick() : min_f(), l(), r() {}
    T get_x() { return l.top(); }
    T get() { return min_f; }
    T get_y() { return get(); }
    /// @brief Add f(x) = a
    void add(T a) { min_f += a; }
    /// @brief Add f(x) = max(0, x - a)
    void add_f(T a) {
        if (!l.empty()) min_f += std::max(T(), l.top() - a);
        l.emplace(a);
        auto x = l.top();
        l.pop();
        r.emplace(x);
    }
    /// @brief Add f(x) = max(0, a - x)
    void add_g(T a) {
        if (!r.empty()) min_f += std::max(T(), a - r.top());
        r.emplace(a);
        auto x = r.top();
        r.pop();
        l.emplace(x);
    }
    /// @brief Add f(x) = abs(x - a) = max(0, x - a) + max(0, a - x)
    void add_abs(T a) {
        add_f(a);
        add_g(a);
    }
    void min_l() { r = std::priority_queue<T, std::vector<T>, std::greater<>>(); }
    void min_r() { l = std::priority_queue<T>(); }
};
#ifdef ATCODER
#pragma GCC target("sse4.2,avx512f,avx512dq,avx512ifma,avx512cd,avx512bw,avx512vl,bmi2")
#endif
#pragma GCC optimize("Ofast,fast-math,unroll-all-loops")
#include <bits/stdc++.h>
#ifndef ATCODER
#pragma GCC target("sse4.2,avx2,bmi2")
#endif
template <class T, class U>
constexpr bool chmax(T &a, const U &b) {
    return a < (T)b ? a = (T)b, true : false;
}
template <class T, class U>
constexpr bool chmin(T &a, const U &b) {
    return (T)b < a ? a = (T)b, true : false;
}
constexpr std::int64_t INF = 1000000000000000003;
constexpr int Inf = 1000000003;
constexpr double EPS = 1e-7;
constexpr double PI = 3.14159265358979323846;
#define FOR(i, m, n) for (int i = (m); i < int(n); ++i)
#define FORR(i, m, n) for (int i = (m)-1; i >= int(n); --i)
#define FORL(i, m, n) for (int64_t i = (m); i < int64_t(n); ++i)
#define rep(i, n) FOR (i, 0, n)
#define repn(i, n) FOR (i, 1, n + 1)
#define repr(i, n) FORR (i, n, 0)
#define repnr(i, n) FORR (i, n + 1, 1)
#define all(s) (s).begin(), (s).end()
struct Sonic {
    Sonic() {
        std::ios::sync_with_stdio(false);
        std::cin.tie(nullptr);
        std::cout << std::fixed << std::setprecision(20);
    }
    constexpr void operator()() const {}
} sonic;
using namespace std;
using ll = std::int64_t;
using ld = long double;
template <class T, class U>
std::istream &operator>>(std::istream &is, std::pair<T, U> &p) {
    return is >> p.first >> p.second;
}
template <class T>
std::istream &operator>>(std::istream &is, std::vector<T> &v) {
    for (T &i : v) is >> i;
    return is;
}
template <class T, class U>
std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &p) {
    return os << '(' << p.first << ',' << p.second << ')';
}
template <class T>
std::ostream &operator<<(std::ostream &os, const std::vector<T> &v) {
    for (auto it = v.begin(); it != v.end(); ++it) os << (it == v.begin() ? "" : " ") << *it;
    return os;
}
template <class Head, class... Tail>
void co(Head &&head, Tail &&...tail) {
    if constexpr (sizeof...(tail) == 0) std::cout << head << '\n';
    else std::cout << head << ' ', co(std::forward<Tail>(tail)...);
}
template <class Head, class... Tail>
void ce(Head &&head, Tail &&...tail) {
    if constexpr (sizeof...(tail) == 0) std::cerr << head << '\n';
    else std::cerr << head << ' ', ce(std::forward<Tail>(tail)...);
}
void Yes(bool is_correct = true) { std::cout << (is_correct ? "Yes\n" : "No\n"); }
void No(bool is_not_correct = true) { Yes(!is_not_correct); }
void YES(bool is_correct = true) { std::cout << (is_correct ? "YES\n" : "NO\n"); }
void NO(bool is_not_correct = true) { YES(!is_not_correct); }
void Takahashi(bool is_correct = true) { std::cout << (is_correct ? "Takahashi" : "Aoki") << '\n'; }
void Aoki(bool is_not_correct = true) { Takahashi(!is_not_correct); }
int main(void) {
    int n;
    cin >> n;
    vector a(n, vector(n, 0));
    cin >> a;
    vector<slope_trick<ll>> v(n);
    rep (i, n) {
        rep (j, n) {
            v[a[i][j] - 1].add(j);
            v[a[i][j] - 1].add_f(i + j);
            v[a[i][j] - 1].add_g(i - j);
        }
    }
    ll ans = 0;
    rep (i, n) ans += v[i].get();
    co(ans);
    return 0;
}
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