結果

問題 No.2538 2進元ゲーム
ユーザー 👑 hitonanodehitonanode
提出日時 2023-11-10 21:58:11
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 171 ms / 2,000 ms
コード長 7,469 bytes
コンパイル時間 1,999 ms
コンパイル使用メモリ 190,924 KB
実行使用メモリ 6,676 KB
最終ジャッジ日時 2023-11-10 21:58:16
合計ジャッジ時間 5,126 ms
ジャッジサーバーID
(参考情報)
judge14 / judge12
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 37 ms
6,676 KB
testcase_01 AC 38 ms
6,676 KB
testcase_02 AC 38 ms
6,676 KB
testcase_03 AC 37 ms
6,676 KB
testcase_04 AC 38 ms
6,676 KB
testcase_05 AC 37 ms
6,676 KB
testcase_06 AC 38 ms
6,676 KB
testcase_07 AC 38 ms
6,676 KB
testcase_08 AC 37 ms
6,676 KB
testcase_09 AC 38 ms
6,676 KB
testcase_10 AC 37 ms
6,676 KB
testcase_11 AC 38 ms
6,676 KB
testcase_12 AC 38 ms
6,676 KB
testcase_13 AC 37 ms
6,676 KB
testcase_14 AC 38 ms
6,676 KB
testcase_15 AC 38 ms
6,676 KB
testcase_16 AC 37 ms
6,676 KB
testcase_17 AC 40 ms
6,676 KB
testcase_18 AC 37 ms
6,676 KB
testcase_19 AC 37 ms
6,676 KB
testcase_20 AC 37 ms
6,676 KB
testcase_21 AC 38 ms
6,676 KB
testcase_22 AC 37 ms
6,676 KB
testcase_23 AC 37 ms
6,676 KB
testcase_24 AC 38 ms
6,676 KB
testcase_25 AC 37 ms
6,676 KB
testcase_26 AC 37 ms
6,676 KB
testcase_27 AC 37 ms
6,676 KB
testcase_28 AC 38 ms
6,676 KB
testcase_29 AC 38 ms
6,676 KB
testcase_30 AC 44 ms
6,676 KB
testcase_31 AC 100 ms
6,676 KB
testcase_32 AC 169 ms
6,676 KB
testcase_33 AC 171 ms
6,676 KB
testcase_34 AC 123 ms
6,676 KB
testcase_35 AC 119 ms
6,676 KB
testcase_36 AC 94 ms
6,676 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 #

#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 <memory>
#include <numeric>
#include <optional>
#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> 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


int mex(vector<int> sorted_vec) {
    for (int i = 0; i < sorted_vec.size(); ++i) {
        if (sorted_vec.at(i) != i) return i;
    }
    return sorted_vec.size();
}

int main() {
    vector<int> gru(101010);

    auto calc = [&](lint n) {
        vector<int> to;
        REP(d, 60) {
            if ((n >> d) & 1) to.push_back(gru.at(d));
        }
        to = sort_unique(to);
        return mex(to);
    };

    FOR(n, 1, gru.size()) {
        gru.at(n) = calc(n);
    }

    int N;
    cin >> N;
    int ret = 0;
    int nneg = 0;

    dbg(gru.at(0));

    REP(i, N) {
        lint v;
        cin >> v;
        dbg(v);
        if (v < 0) {
            nneg++;
        } else {
            ret ^= calc(v);
            dbg(ret);
        }
    }
    dbg(make_tuple(ret, nneg));

    if (nneg % 2 or ret) {
        puts("1");
    } else {
        puts("2");
    }
}
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