結果

問題 No.2422 regisys?
コンテスト
ユーザー ryota2357
提出日時 2023-07-19 12:07:51
言語 C++17(clang)
(17.0.6 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 5,651 bytes
コンパイル時間 3,758 ms
コンパイル使用メモリ 144,996 KB
実行使用メモリ 10,920 KB
最終ジャッジ日時 2024-09-19 10:44:49
合計ジャッジ時間 8,027 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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ファイルパターン 結果
sample AC * 1
other AC * 48 WA * 13
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 # 

/*{{{ author: ryota2357 */
#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdlib>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
namespace ryota2357
{
template <class T1, class T2>
inline std::istream& operator>>(std::istream& is, std::pair<T1, T2>& P) noexcept {
    return is >> P.first >> P.second;
}
template <class T>
inline std::istream& operator>>(std::istream& is, std::vector<T>& V) noexcept {
    for (auto& v : V) is >> v;
    return is;
}
template <class T>
inline std::ostream& operator<<(std::ostream& os, const std::vector<T>& V) noexcept {
    const auto n = V.size() - 1;
    for (int i = 0; i < n; ++i) os << V[i] << ' ';
    return os << V.back();
}

inline void IN(void) noexcept { return; }
template <class T, class... U>
inline void IN(T& t, U&... u) noexcept {
    std::cin >> t;
    IN(u...);
}

template <class T>
inline void OUT(const T& x) noexcept { std::cout << x << '\n'; }

template <class T>
inline bool chmax(T& a, const T& b) noexcept { return a < b ? a = b, true : false; }

template <class T>
inline bool chmin(T& a, const T& b) noexcept { return a > b ? a = b, true : false; }

template <class T = int>
inline T read(void) {
    T ret = 0;
    char c = getchar();
    while ((c < '0' || '9' < c) && c != '-') c = getchar();
    const bool f = (c == '-') && (c = getchar());
    while ('0' <= c && c <= '9') {
        ret = 10 * ret + c - '0';
        c = getchar();
    }
    return f ? -ret : ret;
}

template <class T>
inline T ceil_div(const T& a, const T& b) {
    assert(b != 0);
    return (a + (b - 1)) / b;
}

template <class T>
inline T max(const std::vector<T>& v) { return *max_element(v.begin(), v.end()); }

template <class T>
inline T min(const std::vector<T>& v) { return *min_element(v.begin(), v.end()); }

template <class F>
inline constexpr decltype(auto) recursive(F&& f) {
    return [f = std::forward<F>(f)](auto&&... args) {
        return f(f, std::forward<decltype(args)>(args)...);
    };
}
}  // namespace ryota2357

using ll = long long;
using pint = std::pair<int, int>;
#define rep(i, a, b) for (ll i = (a); i < ll(b); ++i)
#define repr(i, a, b) for (ll i = (a); i >= ll(b); --i)
#define each(x, v) for (auto& x : v)
#define All(x) (x).begin(), (x).end()
#define AllR(x) (x).rbegin(), (x).rend()
#define Sort(x) (sort((x).begin(), (x).end()))
#define SortR(x) (sort((x).rbegin(), (x).rend()))
#define Unique(x) (x.erase(unique((x).begin(), (x).end()), (x).end()))
#define Fill(v, n) (fill((v), (v) + sizeof(v) / sizeof(*(v)), (v)))
#define INF (1073741823)
#define INFL (2305843009213693951ll)
using namespace std;
using namespace ryota2357;
/*}}}*/

int solve(int n, int m, vector<pint> ab, vector<int> t0, vector<int> t1) {
    Sort(t0);
    Sort(t1);
    priority_queue<pint, vector<pint>, greater<>> small;
    priority_queue<int> large;
    rep(i, 0, n) {
        small.emplace(ab[i]);
    }
    each(x, t0) {
        while(small.size() && small.top().first <= x) {
            auto [a, b] = small.top(); small.pop();
            large.emplace(min(a, b));
        }
        if (large.empty()) {
            continue;
        }
        large.pop();
    }
    vector<int> min_v;
    while (small.size()) {
        auto [a, b] = small.top(); small.pop();
        min_v.push_back(min(a, b));
    }
    while (large.size()) {
        min_v.push_back(large.top());
        large.pop();
    }
    SortR(min_v);
    each(x, t1) {
        if (min_v.empty()) {
            break;
        }
        if (min_v.back() <= x) {
            min_v.pop_back();
        }
    }
    return min_v.size();
}

// only n == m
int expect(int n, int m, vector<pint> ab, vector<int> t0, vector<int> t1) {
    int ans = n;
    vector<int> idx(m); rep(i, 0, m) idx[i] = i;
    do {
        int cnt = 0;
        rep(i, 0, n) {
            auto [a, b] = ab[idx[i]];
            if (i < t0.size()) {
                if (a <= t0[i]) {
                    cnt += 1;
                }
            } else {
                if (min(a, b) <= t1[i - t0.size()]) {
                    cnt += 1;
                }
            }
        }
        chmin(ans, n - cnt);
    } while(next_permutation(All(idx)));
    return ans;
}

int main() {
    int n, m; IN(n, m);
    vector<pint> ab(n);
    rep(i, 0, n) ab[i].first = read();
    rep(i, 0, n) ab[i].second = read();
    vector<int> t0, t1;
    rep(i, 0, m) {
        if (read() == 0) {
            t0.push_back(read());
        } else {
            t1.push_back(read());
        }
    }
    OUT(solve(n, m, ab, t0, t1));
    // rep(_, 0, 100) {
    //     int n = (rand() % 5) + 1, m = n;
    //     vector<pint> ab(n);
    //     vector<int> t0, t1;
    //     rep(i, 0, n) {
    //         ab[i] = {rand() % 100, rand() % 100};
    //         if (rand() % 2) {
    //             t0.push_back(rand() % 100);
    //         } else {
    //             t1.push_back(rand() % 100);
    //         }
    //     }
    //     int res = solve(n, m, ab, t0, t1);
    //     int ans = expect(n, m, ab, t0, t1);
    //     if (res != ans) {
    //         cout << n << ' ' << m << endl;
    //         rep(i, 0, n) cout << ab[i].first << " \n"[i == n-1];
    //         rep(i, 0, n) cout << ab[i].second << " \n"[i == n-1];
    //         rep(i, 0, t0.size()) cout << "0 " << t0[i] << endl;
    //         rep(i, 0, t1.size()) cout << "1 " << t1[i] << endl;
    //
    //         cout << endl;
    //         cout << res << " / " << ans << endl;
    //         break;
    //     }
    // }
    return 0;
}
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