結果

問題 No.2694 The Early Bird Catches The Worm
ユーザー みしあみしあ
提出日時 2024-03-27 01:31:00
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 177 ms / 2,000 ms
コード長 9,060 bytes
コンパイル時間 4,207 ms
コンパイル使用メモリ 285,004 KB
実行使用メモリ 17,472 KB
最終ジャッジ日時 2024-09-30 14:29:03
合計ジャッジ時間 13,572 ms
ジャッジサーバーID
（参考情報） 		judge4 / 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 1 ms
5,248 KB
testcase_01 AC 2 ms
5,248 KB
testcase_02 AC 2 ms
5,248 KB
testcase_03 AC 3 ms
5,248 KB
testcase_04 AC 2 ms
5,248 KB
testcase_05 AC 2 ms
5,248 KB
testcase_06 AC 3 ms
5,248 KB
testcase_07 AC 2 ms
5,248 KB
testcase_08 AC 3 ms
5,248 KB
testcase_09 AC 3 ms
5,248 KB
testcase_10 AC 3 ms
5,248 KB
testcase_11 AC 2 ms
5,248 KB
testcase_12 AC 3 ms
5,248 KB
testcase_13 AC 3 ms
5,248 KB
testcase_14 AC 3 ms
5,248 KB
testcase_15 AC 2 ms
5,248 KB
testcase_16 AC 3 ms
5,248 KB
testcase_17 AC 2 ms
5,248 KB
testcase_18 AC 2 ms
5,248 KB
testcase_19 AC 2 ms
5,248 KB
testcase_20 AC 3 ms
5,248 KB
testcase_21 AC 2 ms
5,248 KB
testcase_22 AC 3 ms
5,248 KB
testcase_23 AC 3 ms
5,248 KB
testcase_24 AC 46 ms
5,504 KB
testcase_25 AC 40 ms
6,188 KB
testcase_26 AC 50 ms
6,016 KB
testcase_27 AC 67 ms
6,912 KB
testcase_28 AC 86 ms
10,768 KB
testcase_29 AC 28 ms
5,372 KB
testcase_30 AC 130 ms
12,908 KB
testcase_31 AC 73 ms
8,424 KB
testcase_32 AC 124 ms
9,820 KB
testcase_33 AC 124 ms
11,328 KB
testcase_34 AC 7 ms
5,248 KB
testcase_35 AC 68 ms
8,020 KB
testcase_36 AC 80 ms
7,936 KB
testcase_37 AC 151 ms
12,708 KB
testcase_38 AC 102 ms
11,528 KB
testcase_39 AC 24 ms
5,252 KB
testcase_40 AC 74 ms
8,756 KB
testcase_41 AC 33 ms
5,676 KB
testcase_42 AC 4 ms
5,248 KB
testcase_43 AC 13 ms
5,248 KB
testcase_44 AC 152 ms
14,584 KB
testcase_45 AC 146 ms
15,700 KB
testcase_46 AC 43 ms
6,420 KB
testcase_47 AC 48 ms
6,820 KB
testcase_48 AC 76 ms
7,884 KB
testcase_49 AC 61 ms
9,736 KB
testcase_50 AC 63 ms
9,740 KB
testcase_51 AC 61 ms
9,868 KB
testcase_52 AC 63 ms
9,740 KB
testcase_53 AC 61 ms
9,760 KB
testcase_54 AC 160 ms
14,388 KB
testcase_55 AC 165 ms
14,452 KB
testcase_56 AC 165 ms
15,096 KB
testcase_57 AC 144 ms
11,264 KB
testcase_58 AC 171 ms
17,392 KB
testcase_59 AC 154 ms
12,928 KB
testcase_60 AC 155 ms
13,244 KB
testcase_61 AC 154 ms
12,328 KB
testcase_62 AC 151 ms
12,140 KB
testcase_63 AC 169 ms
13,488 KB
testcase_64 AC 167 ms
16,892 KB
testcase_65 AC 172 ms
13,656 KB
testcase_66 AC 174 ms
14,552 KB
testcase_67 AC 172 ms
17,472 KB
testcase_68 AC 177 ms
16,724 KB
testcase_69 AC 98 ms
10,388 KB
testcase_70 AC 97 ms
10,376 KB
testcase_71 AC 97 ms
10,124 KB
testcase_72 AC 99 ms
9,868 KB
testcase_73 AC 98 ms
10,252 KB
testcase_74 AC 49 ms
7,284 KB
testcase_75 AC 96 ms
10,380 KB
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 # 

#pragma region Macros
#if defined(ONLINE_JUDGE)
#include <atcoder/all>
#endif
#if defined(LOCAL) || defined(_DEBUG)
#include "template.hpp"
#else
#include <bits/stdc++.h>
#include <boost/format.hpp>
using namespace std;
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define O(...)
#define OP(...)
#define START()
#define STOP()
#define MEMORY()
#define massert(x, msec) if(!(x)) {\
    while(msec > chrono::duration_cast<chrono::milliseconds>(chrono::system_clock::now() - _MY_START_TIME).count()); \
    cerr << "assert [" << __FUNCTION__ << ":" << to_string(__LINE__) << "] : " << string(#x) << el; exit(1);\
}
/******************************************* マクロ等 **************************************************/
#define REP(i, n) for(ll i=0, i##_len=(n); i<i##_len; ++i)
#define REPR(i, n) for(ll i=(n); i>=0; --i)
#define FOR(i, n, m) for(ll i=(m), i##_len=(n); i<i##_len; ++i)
#define EACH(i, v) for(auto&& i : v)
#define ALL(x) (x).begin(),(x).end()
#define ALLR(x) (x).rbegin(),(x).rend()
#define FILL(v, h) memset((v), h, sizeof(v))
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end())
vector<long long> __FREP_CNT_ARRAY;
#define FREP(i, n) ;__FREP_CNT_ARRAY.push_back(n); REP(i, n) {
#define FREPR(i, n) ;__FREP_CNT_ARRAY.push_back((n)+1); REPR(i, n) {
#define FFOR(i, n, m) ;__FREP_CNT_ARRAY.push_back((n)-(m)); FOR(i, n, m) {
#define FEACH(a, as) ;__FREP_CNT_ARRAY.push_back((as).size()); EACH(a, as) {
#define THEN __FREP_CNT_ARRAY.back()--;} if(bool frep_tmp = !__FREP_CNT_ARRAY.back(); __FREP_CNT_ARRAY.pop_back(), frep_tmp)
#define DPINIT(name) name; bool __SEEN_##name;
#define DP(name) name;if(__SEEN_##name)return name;__SEEN_##name=true;
template<class T, class U>bool chmax(T &a, const U &b) { if (a<(T)b) { a=(T)b; return 1; } return 0; }
template<class T, class U>bool chmin(T &a, const U &b) { if (b<(T)a) { a=(T)b; return 1; } return 0; }
#define cmp3(a, x, b) ((a) <= (x) && (x) < (b))
#define vec vector
#define umap unordered_map
#define uset unordered_set
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using P = pair<ll, ll>;
using Tup = tuple<ll, ll, ll>;
using vl = vec<ll>;
using vvl = vec<vl>;
#define fi first
#define se second
#define pb push_back
#define el '\n'
constexpr ll INF = numeric_limits<ll>::max()/4-1;
/******************************************* 入力 **************************************************/
template<class T> istream &operator>>(istream &stream, vec<T>& o){REP(i, o.size())stream >> o[i];return stream;}
template<class T, class U> istream &operator>>(istream &stream, pair<T, U>& o){cin >> o.fi >> o.se; return stream;}
namespace myinput {
    void input() {}
    template<class T, class... Ts> void input(T&& o, Ts&&... args){cin >> o;input(forward<Ts>(args)...);}
    void assign_vl(size_t) {};
    template<class T, class... Ts> void assign_vl(size_t siz, T&& o, Ts&&... args){o.resize(siz);assign_vl(siz, forward<Ts>(args)...);}
    void input_horizon_sub(size_t) {};
    template<class T, class... Ts> void input_horizon_sub(size_t index, T&& o, Ts&&... args) {cin>>o[index];input_horizon_sub(index, forward<Ts>(args)...);}
    template<class... Ts> void input_horizon(size_t siz, Ts&&... args){REP(i, siz) input_horizon_sub(i, forward<Ts>(args)...);}
}
#define _I(T, ...) ;myinput::input(__VA_ARGS__);
#define I(T, ...) ;T __VA_ARGS__;_I(T, __VA_ARGS__);
#define _Iv(T, siz, ...) ;myinput::assign_vl(siz, __VA_ARGS__);myinput::input(__VA_ARGS__);
#define Iv(T, siz, ...) ;vec<T> __VA_ARGS__;_Iv(T, siz, __VA_ARGS__);
#define _Ih(T, siz, ...) ;myinput::assign_vl(siz, __VA_ARGS__);myinput::input_horizon(siz, __VA_ARGS__);
#define Ih(T, siz, ...) ;vec<T> __VA_ARGS__;_Ih(T, siz, __VA_ARGS__);
chrono::system_clock::time_point _MY_START_TIME;
/******************************************* 出力 **************************************************/
namespace __PrintHelper {
    template <char Separator = ' ', typename T>
    void printValue(std::ostream& os, const T& value) { os << value; }
    template <char Separator = ' ', typename T1, typename T2>
    void printValue(std::ostream& os, const std::pair<T1, T2>& value) { os << value.first << Separator << value.second; }
    template <char Separator = ' ', typename... Args, std::size_t... Is>
    void printTuple(std::ostream& os, const std::tuple<Args...>& value, std::index_sequence<Is...>) { ((os << (Is == 0 ? "" : string(1, Separator)) << std::get<Is>(value)), ...); }
    template <char Separator = ' ', typename... Args>
    void printValue(std::ostream& os, const std::tuple<Args...>& value) { printTuple<Separator>(os, value, std::index_sequence_for<Args...>{}); }
    template <char Separator = ' ', typename T>
    void printValue(std::ostream& os, const std::vector<T>& value) { for (std::size_t i = 0; i < value.size(); ++i) os << (i == 0 ? "" : string(1, Separator)) << value[i]; }
};
template <char Separator = ' ', typename Arg, typename... Args>
void OO(const Arg &x, const Args&... args) {
    __PrintHelper::printValue<Separator>(cout, x);
    if constexpr (sizeof...(args) > 0) {
        cout << Separator;
        OO<Separator>(args...);
    }
    else { cout << el; }
}
template <class T = string, class U = string>
void YN(bool x, T y = "Yes", U n = "No") {
    if(x)   cout << y << el;
    else    cout << n << el;
}
/******************************************* 配列操作 **************************************************/
namespace __ArrayHelper {
    template <typename... Args>
    auto flatten(const std::tuple<Args...>& t);
    template <typename T, std::size_t... Indices>
    auto flattenHelper(const T& t, std::index_sequence<Indices...>) { return std::make_tuple(std::get<Indices>(t)...); }
    template <typename T, typename U>
    auto flatten(const std::pair<T, U>& p) { return flatten(std::make_tuple(p.first, p.second)); }
    template <typename T>
    auto flatten(const T& value) { return std::make_tuple(value); }
    template <typename... Args, std::size_t... Indices>
    auto flattenTupleHelper(const std::tuple<Args...>& t, std::index_sequence<Indices...>) { return std::tuple_cat(flatten(std::get<Indices>(t))...); }
    template <typename... Args>
    auto flatten(const std::tuple<Args...>& t) { return flattenTupleHelper(t, std::index_sequence_for<Args...>{}); }
    template <typename Container>
    auto __flatten(const Container& container) {
        using ValueType = typename Container::value_type;
        using ResultType = decltype(__ArrayHelper::flatten(std::declval<ValueType>()));
        std::vector<ResultType> result;
        for (const auto& item : container) { result.emplace_back(__ArrayHelper::flatten(item)); }
        return result;
    }
    template <class T>
    auto __enumrate(const vec<T> &v) {
        vec<pair<ll, T>> ret(v.size());
        REP(i, v.size()) ret[i] = {i, v[i]};
        return ret;
    }
}
constexpr auto flatten = [](auto&& x) { return __ArrayHelper::__flatten(x); };
constexpr auto enumrate = [](auto&& x) { return __ArrayHelper::__enumrate(x); };
template <typename... Args>
auto zip(const Args&... args) {
    size_t minSize = std::min({args.size()...});
    std::vector<std::tuple<typename Args::value_type...>> result;
    for (size_t i = 0; i < minSize; ++i) { result.emplace_back(std::make_tuple(args[i]...)); }
    return result;
}
template <typename Arg>
Arg compose(Arg arg) { return arg; }
template <typename Arg, typename Func>
auto compose(Arg arg, Func func) { return func(arg); }
template <typename Arg, typename Func, typename... Funcs>
auto compose(Arg arg, Func func, Funcs... funcs) { return compose(compose(arg, func), funcs...); }
/******************************************* Main **************************************************/
#endif
#pragma endregion
using Point = complex<ll>;
void Main();

int main(){
    _MY_START_TIME = std::chrono::system_clock::now();
    std::cin.tie(nullptr);
    std::cout << std::fixed << std::setprecision(15);
    std::cerr << std::fixed << std::setprecision(15);
    Main();
    MEMORY();
    return 0;
}

struct LS {
    queue<ll> q;
    ll value = 0;
    ll sum = 0;
    void push(ll x) {
        q.push(x);
        value += x * q.size();
        sum += x;
    }
    void pop() {
        auto x = q.front(); q.pop();
        value -= sum;
        sum -= x;
    }
};

ll rec(ll h, vl &as, vl &bs) {
    LS ls;
    queue<ll> xs;
    ll sum = 0, mx = 0;
    REP(i, as.size()) {
        ls.push(bs[i]);
        xs.push(as[i]);
        sum += as[i];
        while(ls.value > h) {
            ls.pop();
            sum -= xs.front(); xs.pop();
        }
        chmax(mx, sum);
    }
    return mx;
}

void Main() {
    I(ll, n, h);
    Iv(ll, n, as, bs);
    vvl aas(1), bbs(1);
    REP(i, n) {
        if(bs[i] > h) {
            aas.pb(vl());
            bbs.pb(vl());
            continue;
        }
        aas.back().pb(as[i]);
        bbs.back().pb(bs[i]);
    }
    ll mx = 0;
    O(aas, bbs);
    REP(i, aas.size()) {
        chmax(mx, rec(h, aas[i], bbs[i]));
    }
    OO(mx);
}
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