#784283 (C++23) No.1959 Prefix MinMax

提出ソース

結果

問題	No.1959 Prefix MinMax
ユーザー	hitonanode
提出日時	2022-08-04 01:46:08
言語	C++23 (gcc 12.3.0 + boost 1.83.0)
結果	RE
実行時間	-
コード長	8,045 bytes
コンパイル時間	2,097 ms
コンパイル使用メモリ	179,912 KB
実行使用メモリ	25,464 KB
平均クエリ数	26.56
最終ジャッジ日時	2024-09-13 20:23:17
合計ジャッジ時間	10,978 ms
ジャッジサーバーID （参考情報）	judge2 / judge5

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	26 ms 24,940 KB
testcase_01	AC	27 ms 24,812 KB
testcase_02	AC	24 ms 24,812 KB
testcase_03	AC	24 ms 25,196 KB
testcase_04	AC	25 ms 25,324 KB
testcase_05	AC	27 ms 25,196 KB
testcase_06	AC	26 ms 24,940 KB
testcase_07	RE	-
testcase_08	RE	-
testcase_09	RE	-
testcase_10	RE	-
testcase_11	RE	-
testcase_12	RE	-
testcase_13	RE	-
testcase_14	RE	-
testcase_15	RE	-
testcase_16	RE	-
testcase_17	RE	-
testcase_18	RE	-
testcase_19	RE	-
testcase_20	RE	-
testcase_21	RE	-
testcase_22	RE	-
testcase_23	RE	-
testcase_24	RE	-
testcase_25	RE	-
testcase_26	RE	-
testcase_27	RE	-
testcase_28	RE	-
testcase_29	RE	-
testcase_30	RE	-
testcase_31	RE	-

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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>;
#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

struct rand_int_ {
    using lint = long long;
    std::mt19937 mt;
    rand_int_() : mt(std::chrono::steady_clock::now().time_since_epoch().count()) {}
    lint operator()(lint x) { return this->operator()(0, x); } // [0, x)
    lint operator()(lint l, lint r) {
        std::uniform_int_distribution<lint> d(l, r - 1);
        return d(mt);
    }
} rnd;

vector<int> ask(int N, const vector<int> &A) {
    assert(int(A.size()) + 1 == N);
    cout << '?';
    for (auto x : A) {
        assert(0 <= x);
        assert(x <= 1);
        cout << ' ' << x;
    }
    cout << endl;
    flush(cout);
    vector<int> B(N);
    REP(i, N) cin >> B[i];
    for (auto x : B) assert(x > 0);
    return B;
}

void answer(int N, const vector<int> &P) {
    assert(int(P.size()) == N);
    cout << '!';
    for (auto x : P) cout << ' ' << x;
    cout << endl;
    flush(cout);
}

void solve() {
    int N;
    cin >> N;

    vector<int> ret(N);

    vector<int> lo(N, 1), hi(N, N);
    set<int> fixed;
    REP(_, 10) {
        vector<int> q(N - 1);
        for (auto &x : q) x = rnd(2);
        FOR(i, 1, N) {
            // if (i >= 2 and ret.at(i - 2) and ret.at(i - 1) and !ret.at(i)) {
            //     if (ret.at(i - 2) > ret.at(i - 1)) {
            //         if (i >= 3) q.at(i - 3) = 1;
            //         q.at(i - 2) = 0;
            //     } else {
            //         if (i >= 3) q.at(i - 3) = 0;
            //         q.at(i - 2) = 1;
            //     }
            // }

            // if (hi.at(i) == ret.at(i - 1)) q.at(i - 1) = 0;
            // if (lo.at(i) == ret.at(i - 1)) q.at(i - 1) = 1;
        }
        vector<int> P0 = ask(N, q);
        REP(i, N) {
            if (i == 0 or P0.at(i) != P0.at(i - 1)) {
                if (ret.at(i)) assert(ret.at(i) == P0.at(i));
                ret.at(i) = lo.at(i) = hi.at(i) = P0.at(i);
                fixed.insert(ret.at(i));

                // if (i) {
                //     if (q.at(i - 1)) {
                //         chmin(hi.at(i), P0.at(i));
                //     } else {
                //         chmax(lo.at(i), P0.at(i));
                //     }
                // }
            }
        }

        while (true) {
            bool updated = false;
            REP(i, N) {
                if (ret.at(i)) continue;
                // assert(1 <= ret.at(i) and ret.at(i) <= N);
                // while (fixed.count(lo.at(i))) ++lo.at(i);
                // while (fixed.count(hi.at(i))) --hi.at(i);
                assert(lo.at(i) <= hi.at(i));
                if (lo.at(i) == hi.at(i)) {
                    assert(lo.at(i) > 0);
                    updated = true;
                    ret.at(i) = lo.at(i);
                    fixed.insert(ret.at(i));
                }
            }

            if (!updated) break;
        }
    }
    REP(i, N) {
        if (!ret.at(i)) ret.at(i) = lo.at(i);
    }
    answer(N, ret);
}

int main() {
    int T;
    cin >> T;
    while (T--) solve();
}

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結果

テストケース

ソースコード