#778243 (C++23) No.2009 Drunkers' Contest

提出ソース

結果

問題	No.2009 Drunkers' Contest
ユーザー	hitonanode
提出日時	2022-07-15 21:31:18
言語	C++23 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	51 ms / 2,000 ms
コード長	6,078 bytes
コンパイル時間	1,792 ms
コンパイル使用メモリ	176,348 KB
実行使用メモリ	10,660 KB
最終ジャッジ日時	2024-06-27 16:58:03
合計ジャッジ時間	5,847 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	1 ms 5,248 KB
testcase_01	AC	2 ms 5,376 KB
testcase_02	AC	2 ms 5,376 KB
testcase_03	AC	2 ms 5,376 KB
testcase_04	AC	2 ms 5,376 KB
testcase_05	AC	2 ms 5,376 KB
testcase_06	AC	2 ms 5,376 KB
testcase_07	AC	1 ms 5,376 KB
testcase_08	AC	2 ms 5,376 KB
testcase_09	AC	2 ms 5,376 KB
testcase_10	AC	2 ms 5,376 KB
testcase_11	AC	1 ms 5,376 KB
testcase_12	AC	1 ms 5,376 KB
testcase_13	AC	2 ms 5,376 KB
testcase_14	AC	2 ms 5,376 KB
testcase_15	AC	2 ms 5,376 KB
testcase_16	AC	2 ms 5,376 KB
testcase_17	AC	2 ms 5,376 KB
testcase_18	AC	3 ms 5,376 KB
testcase_19	AC	2 ms 5,376 KB
testcase_20	AC	3 ms 5,376 KB
testcase_21	AC	3 ms 5,376 KB
testcase_22	AC	2 ms 5,376 KB
testcase_23	AC	3 ms 5,376 KB
testcase_24	AC	50 ms 6,656 KB
testcase_25	AC	50 ms 6,656 KB
testcase_26	AC	48 ms 6,528 KB
testcase_27	AC	50 ms 6,656 KB
testcase_28	AC	50 ms 6,784 KB
testcase_29	AC	50 ms 6,784 KB
testcase_30	AC	50 ms 6,656 KB
testcase_31	AC	51 ms 6,784 KB
testcase_32	AC	51 ms 6,656 KB
testcase_33	AC	50 ms 6,528 KB
testcase_34	AC	47 ms 6,656 KB
testcase_35	AC	47 ms 6,528 KB
testcase_36	AC	46 ms 6,784 KB
testcase_37	AC	47 ms 6,528 KB
testcase_38	AC	47 ms 6,656 KB
testcase_39	AC	47 ms 6,656 KB
testcase_40	AC	47 ms 6,656 KB
testcase_41	AC	47 ms 6,656 KB
testcase_42	AC	46 ms 6,656 KB
testcase_43	AC	46 ms 6,528 KB
testcase_44	AC	51 ms 6,656 KB
testcase_45	AC	50 ms 6,528 KB
testcase_46	AC	40 ms 6,784 KB
testcase_47	AC	38 ms 10,660 KB
testcase_48	AC	37 ms 10,652 KB
testcase_49	AC	37 ms 10,528 KB
testcase_50	AC	37 ms 10,660 KB
testcase_51	AC	37 ms 10,660 KB
testcase_52	AC	36 ms 8,480 KB
testcase_53	AC	42 ms 8,480 KB
testcase_54	AC	41 ms 8,480 KB
testcase_55	AC	38 ms 6,944 KB
testcase_56	AC	38 ms 6,912 KB
testcase_57	AC	41 ms 8,480 KB

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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; }
int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); }
template <typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); }
template <typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); }
template <typename T> vector<T> sort_unique(vector<T> vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; }
template <typename 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 <typename 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 <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; }
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T, size_t sz> ostream &operator<<(ostream &os, const array<T, sz> &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; }
#if __cplusplus >= 201703L
template <typename... T> istream &operator>>(istream &is, tuple<T...> &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; }
template <typename... T> ostream &operator<<(ostream &os, const tuple<T...> &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; }
#endif
template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T, typename TH> ostream &operator<<(ostream &os, const unordered_set<T, TH> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <typename TK, typename TV, typename TH> ostream &operator<<(ostream &os, const 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) cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl
#define dbgif(cond, x) ((cond) ? cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl : cerr)
#else
#define dbg(x) 0
#define dbgif(cond, x) 0
#endif

int main() {
    int N;
    cin >> N;
    vector<lint> A(N), B(N);
    cin >> A >> B;
    using P = pair<double, double>;
    vector<P> absum;

    REP(i, N) {
        double b = B[i], a = A[i];
        while (true) {
            double thres = a / b;
            double last_thres = -1.0;
            if (absum.size()) last_thres = absum.back().first / absum.back().second;
            if (last_thres < thres) {
                absum.emplace_back(a, b);
                break;
            } else {
                a += absum.back().first;
                b += absum.back().second;
                absum.pop_back();
            }
        }
    }
    double ret = 0.0;
    for (auto [a, b] : absum) {
        double thres = sqrtl(a / b);
        dbg(thres);
        if (thres < 1) thres = 1;
        ret += a / thres + b * thres;
    }
    dbg(absum);
    cout << ret << '\n';
}

yukicoder

結果

テストケース

ソースコード