#877302 (C++23) No.2338 Range AtCoder Query

提出ソース

結果

問題	No.2338 Range AtCoder Query
ユーザー	hitonanode
提出日時	2023-06-02 22:38:05
言語	C++23 (gcc 12.3.0 + boost 1.83.0)
結果	TLE (最新) AC (最初)
実行時間	-
コード長	11,665 bytes
コンパイル時間	2,552 ms
コンパイル使用メモリ	190,652 KB
実行使用メモリ	25,368 KB
最終ジャッジ日時	2024-06-09 00:20:43
合計ジャッジ時間	24,932 ms
ジャッジサーバーID （参考情報）	judge2 / judge3

このコードへのチャレンジ
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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 6,816 KB
testcase_01	AC	2 ms 6,940 KB
testcase_02	AC	2 ms 6,944 KB
testcase_03	AC	2 ms 6,944 KB
testcase_04	AC	2 ms 6,944 KB
testcase_05	AC	2 ms 6,944 KB
testcase_06	AC	3 ms 6,940 KB
testcase_07	AC	3 ms 6,944 KB
testcase_08	AC	4 ms 6,940 KB
testcase_09	AC	3 ms 6,940 KB
testcase_10	AC	4 ms 6,940 KB
testcase_11	AC	2,924 ms 13,864 KB
testcase_12	AC	2,924 ms 14,176 KB
testcase_13	AC	3,056 ms 14,244 KB
testcase_14	AC	2,923 ms 13,932 KB
testcase_15	AC	3,486 ms 15,008 KB
testcase_16	TLE	-
testcase_17	--	-
testcase_18	--	-
testcase_19	--	-
testcase_20	--	-
testcase_21	--	-
testcase_22	--	-
testcase_23	--	-
testcase_24	--	-
testcase_25	--	-
testcase_26	--	-
testcase_27	--	-
testcase_28	--	-
testcase_29	--	-
testcase_30	--	-
testcase_31	--	-
testcase_32	--	-
testcase_33	--	-
testcase_34	--	-

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ソースコード

raw source code

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <complex>
#include <deque>
#include <forward_list>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iostream>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using lint = long long;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_;
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template <typename T, typename V>
void ndarray(vector<T>& vec, const V& val, int len) { vec.assign(len, val); }
template <typename T, typename V, typename... Args> void ndarray(vector<T>& vec, const V& val, int len, Args... args) { vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); }); }
template <typename T> bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; }
template <typename T> bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; }
const std::vector<std::pair<int, int>> grid_dxs{{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); }
template <class T1, class T2> T1 floor_div(T1 num, T2 den) { return (num > 0 ? num / den : -((-num + den - 1) / den)); }
template <class T1, class T2> std::pair<T1, T2> operator+(const std::pair<T1, T2> &l, const std::pair<T1, T2> &r) { return std::make_pair(l.first + r.first, l.second + r.second); }
template <class T1, class T2> std::pair<T1, T2> operator-(const std::pair<T1, T2> &l, const std::pair<T1, T2> &r) { return std::make_pair(l.first - r.first, l.second - r.second); }
template <class T> std::vector<T> sort_unique(std::vector<T> vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; }
template <class T> int arglb(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::lower_bound(v.begin(), v.end(), x)); }
template <class T> int argub(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::upper_bound(v.begin(), v.end(), x)); }
template <class IStream, class T> IStream &operator>>(IStream &is, std::vector<T> &vec) { for (auto &v : vec) is >> v; return is; }

template <class OStream, class T> OStream &operator<<(OStream &os, const std::vector<T> &vec);
template <class OStream, class T, size_t sz> OStream &operator<<(OStream &os, const std::array<T, sz> &arr);
template <class OStream, class T, class TH> OStream &operator<<(OStream &os, const std::unordered_set<T, TH> &vec);
template <class OStream, class T, class U> OStream &operator<<(OStream &os, const pair<T, U> &pa);
template <class OStream, class T> OStream &operator<<(OStream &os, const std::deque<T> &vec);
template <class OStream, class T> OStream &operator<<(OStream &os, const std::set<T> &vec);
template <class OStream, class T> OStream &operator<<(OStream &os, const std::multiset<T> &vec);
template <class OStream, class T> OStream &operator<<(OStream &os, const std::unordered_multiset<T> &vec);
template <class OStream, class T, class U> OStream &operator<<(OStream &os, const std::pair<T, U> &pa);
template <class OStream, class TK, class TV> OStream &operator<<(OStream &os, const std::map<TK, TV> &mp);
template <class OStream, class TK, class TV, class TH> OStream &operator<<(OStream &os, const std::unordered_map<TK, TV, TH> &mp);
template <class OStream, class... T> OStream &operator<<(OStream &os, const std::tuple<T...> &tpl);

template <class OStream, class T> OStream &operator<<(OStream &os, const std::vector<T> &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <class OStream, class T, size_t sz> OStream &operator<<(OStream &os, const std::array<T, sz> &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; }
template <class... T> std::istream &operator>>(std::istream &is, std::tuple<T...> &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; }
template <class OStream, class... T> OStream &operator<<(OStream &os, const std::tuple<T...> &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; }
template <class OStream, class T, class TH> OStream &operator<<(OStream &os, const std::unordered_set<T, TH> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <class OStream, class T> OStream &operator<<(OStream &os, const std::deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <class OStream, class T> OStream &operator<<(OStream &os, const std::set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <class OStream, class T> OStream &operator<<(OStream &os, const std::multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <class OStream, class T> OStream &operator<<(OStream &os, const std::unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <class OStream, class T, class U> OStream &operator<<(OStream &os, const std::pair<T, U> &pa) { return os << '(' << pa.first << ',' << pa.second << ')'; }
template <class OStream, class TK, class TV> OStream &operator<<(OStream &os, const std::map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <class OStream, class TK, class TV, class TH> OStream &operator<<(OStream &os, const std::unordered_map<TK, TV, TH> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
#ifdef HITONANODE_LOCAL
const string COLOR_RESET = "\033[0m", BRIGHT_GREEN = "\033[1;32m", BRIGHT_RED = "\033[1;31m", BRIGHT_CYAN = "\033[1;36m", NORMAL_CROSSED = "\033[0;9;37m", RED_BACKGROUND = "\033[1;41m", NORMAL_FAINT = "\033[0;2m";
#define dbg(x) std::cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << std::endl
#define dbgif(cond, x) ((cond) ? std::cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << std::endl : std::cerr)
#else
#define dbg(x) ((void)0)
#define dbgif(cond, x) ((void)0)
#endif

#include <cassert>
#include <cmath>
#include <utility>
#include <vector>

// Mo's algorithm
// - add_range(l, r) : Add [l, r) as query.
// - run(Add, Remove, Query) : run Mo's algorithm.
//   - Add(i) : Add i-th element ([i + 1, r) -> [i, r)).
//   - Remove(i) : Remove i-th element (Inverse of Add(i)).
//   - Query(q) : Solve q-th problem.
// Veirfied: https://codeforces.com/contest/375/submission/114665433
class MosAlgorithm {
    static const int INF = 1 << 30;
    int nmin, nmax;

public:
    std::vector<std::pair<int, int>> ranges;
    MosAlgorithm() : nmin(INF), nmax(-INF) {}

    void add_range(int l, int r) {
        assert(l <= r);
        nmin = std::min(nmin, l);
        nmax = std::max(nmax, r);
        ranges.emplace_back(l, r);
    }
    template <typename F1, typename F2, typename F3, typename F4, typename F5>
    void run(F1 AddRight, F2 AddLeft, F3 RemoveRight, F4 RemoveLeft, F5 Query) {
        const int Q = ranges.size();
        if (!Q) return;
        const int nbbucket = std::max(1, std::min<int>(nmax - nmin, sqrt(Q)));
        const int szbucket = (nmax - nmin + nbbucket - 1) / nbbucket;
        std::vector<int> qs(Q);
        std::iota(qs.begin(), qs.end(), 0);
        std::sort(qs.begin(), qs.end(), [&](int q1, int q2) {
            int b1 = (ranges[q1].first - nmin) / szbucket, b2 = (ranges[q2].first - nmin) / szbucket;
            if (b1 != b2)
                return b1 < b2;
            else {
                return (b1 & 1) ? (ranges[q1].second > ranges[q2].second)
                                : (ranges[q1].second < ranges[q2].second);
            }
        });

        int l = ranges[qs[0]].first, r = l;
        for (auto q : qs) {
            while (r < ranges[q].second) AddRight(r++);
            while (l > ranges[q].first) AddLeft(--l);
            while (r > ranges[q].second) RemoveRight(--r);
            while (l < ranges[q].first) RemoveLeft(l++);
            assert(l == ranges[q].first and r == ranges[q].second);
            Query(q);
        }
    }
    template <typename F1, typename F3, typename F5> void run(F1 Add, F3 Remove, F5 Query) {
        run(Add, Add, Remove, Remove, Query);
    }
};

int main() {
    int N, M, Q;
    cin >> N >> M >> Q;
    vector<int> P(N), status(N);
    REP(i, N) {
        cin >> P.at(i);
        --P.at(i);
        string str;
        cin >> str;
        status.at(i) = (str == "AC");
    }

    vector<pint> ret(Q);
    int ret_ac = 0, ret_penalty = 0;

    vector<list<pair<int, bool>>> deq(M);

    auto solve = [&](int q) { ret.at(q) = make_pair(ret_ac, ret_penalty); };

    auto precalc = [&](int m) {
        if (!deq.at(m).empty() and deq.at(m).front().second) {
            --ret_ac;
            ret_penalty -= deq.at(m).front().first;
        }
    };

    auto calc = [&](int m) {
        if (!deq.at(m).empty() and deq.at(m).front().second) {
            ret_ac++;
            ret_penalty += deq.at(m).front().first;
        }
    };

    auto add_left = [&](int i) {
        int m = P.at(i), s = status.at(i);
        precalc(m);

        if (s) {
            deq.at(m).emplace_front(0, 1);
        } else {
            if (deq.at(m).empty()) {
                deq.at(m).emplace_front(1, 0);
            } else {
                deq.at(m).front().first++;
            }
        }
        calc(m);
    };

    auto add_right = [&](int i) {
        int m = P.at(i), s = status.at(i);
        precalc(m);

        if (s) {
            if (deq.at(m).empty() or deq.at(m).back().second) {
                deq.at(m).emplace_back(0, 1);
            } else {
                deq.at(m).back().second = 1;
            }
        } else {
            if (deq.at(m).empty() or deq.at(m).back().second) {
                deq.at(m).emplace_back(1, 0);
            } else {
                deq.at(m).back().first++;
            }
        }
        calc(m);
    };

    auto remove_left = [&](int i) {
        int m = P.at(i), s = status.at(i);
        precalc(m);

        if (s) {
            deq.at(m).pop_front();
        } else {
            deq.at(m).front().first--;
            // if (!deq.at(m).front().first and !deq.at(m).front().second) deq.at(m).pop_front();
        }
        calc(m);
    };

    auto remove_right = [&](int i) {
        int m = P.at(i), s = status.at(i);
        precalc(m);

        if (s) {
            deq.at(m).back().second = 0;
        } else {
            deq.at(m).back().first--;
        }
        if (!deq.at(m).back().first) deq.at(m).pop_back();
        calc(m);
    };

    MosAlgorithm mo;
    while (Q--) {
        int l, r;
        cin >> l >> r;
        --l;
        mo.add_range(l, r);
    }
    mo.run(add_right, add_left, remove_right, remove_left, solve);

    for (auto [x, y] : ret) cout << x << ' ' << y << '\n';
}

yukicoder

結果

テストケース

ソースコード