結果

問題 No.2577 Simple Permutation Guess
ユーザー fdironiafdironia
提出日時 2023-12-06 02:48:18
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 189 ms / 2,000 ms
コード長 2,469 bytes
コンパイル時間 1,436 ms
コンパイル使用メモリ 99,520 KB
実行使用メモリ 24,012 KB
平均クエリ数 248.84
最終ジャッジ日時 2023-12-06 02:48:36
合計ジャッジ時間 16,966 ms
ジャッジサーバーID
(参考情報)
judge14 / judge15
このコードへのチャレンジ
(要ログイン)

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 30 ms
24,000 KB
testcase_01 AC 146 ms
24,000 KB
testcase_02 AC 50 ms
24,000 KB
testcase_03 AC 25 ms
24,000 KB
testcase_04 AC 67 ms
24,000 KB
testcase_05 AC 78 ms
24,000 KB
testcase_06 AC 182 ms
24,000 KB
testcase_07 AC 182 ms
24,000 KB
testcase_08 AC 183 ms
24,000 KB
testcase_09 AC 189 ms
24,000 KB
testcase_10 AC 185 ms
24,000 KB
testcase_11 AC 24 ms
24,000 KB
testcase_12 AC 25 ms
24,000 KB
testcase_13 AC 27 ms
24,000 KB
testcase_14 AC 26 ms
24,000 KB
testcase_15 AC 25 ms
24,000 KB
testcase_16 AC 24 ms
24,000 KB
testcase_17 AC 25 ms
24,000 KB
testcase_18 AC 25 ms
24,000 KB
testcase_19 AC 24 ms
24,000 KB
testcase_20 AC 24 ms
24,000 KB
testcase_21 AC 27 ms
24,000 KB
testcase_22 AC 24 ms
24,012 KB
testcase_23 AC 28 ms
24,012 KB
testcase_24 AC 23 ms
24,012 KB
testcase_25 AC 24 ms
24,012 KB
testcase_26 AC 25 ms
24,012 KB
testcase_27 AC 24 ms
24,012 KB
testcase_28 AC 24 ms
24,012 KB
testcase_29 AC 24 ms
24,012 KB
testcase_30 AC 24 ms
24,012 KB
testcase_31 AC 24 ms
24,000 KB
testcase_32 AC 24 ms
24,000 KB
testcase_33 AC 24 ms
24,000 KB
testcase_34 AC 23 ms
24,000 KB
testcase_35 AC 24 ms
24,000 KB
testcase_36 AC 24 ms
24,000 KB
testcase_37 AC 23 ms
24,000 KB
testcase_38 AC 24 ms
24,000 KB
testcase_39 AC 23 ms
24,000 KB
testcase_40 AC 28 ms
24,000 KB
testcase_41 AC 29 ms
24,000 KB
testcase_42 AC 24 ms
24,000 KB
testcase_43 AC 23 ms
24,000 KB
testcase_44 AC 23 ms
24,000 KB
testcase_45 AC 23 ms
24,000 KB
testcase_46 AC 24 ms
24,000 KB
testcase_47 AC 24 ms
24,000 KB
testcase_48 AC 28 ms
24,000 KB
testcase_49 AC 24 ms
24,000 KB
testcase_50 AC 24 ms
24,000 KB
testcase_51 AC 24 ms
24,000 KB
testcase_52 AC 27 ms
24,000 KB
testcase_53 AC 26 ms
24,000 KB
testcase_54 AC 24 ms
24,000 KB
testcase_55 AC 24 ms
24,000 KB
testcase_56 AC 24 ms
24,000 KB
testcase_57 AC 24 ms
24,000 KB
testcase_58 AC 23 ms
24,000 KB
testcase_59 AC 24 ms
24,000 KB
testcase_60 AC 24 ms
24,000 KB
testcase_61 AC 24 ms
24,000 KB
testcase_62 AC 24 ms
24,000 KB
testcase_63 AC 24 ms
24,000 KB
testcase_64 AC 24 ms
24,012 KB
testcase_65 AC 24 ms
24,012 KB
testcase_66 AC 25 ms
24,012 KB
testcase_67 AC 25 ms
24,012 KB
testcase_68 AC 24 ms
24,012 KB
testcase_69 AC 24 ms
24,012 KB
testcase_70 AC 25 ms
24,012 KB
testcase_71 AC 24 ms
24,012 KB
testcase_72 AC 24 ms
24,012 KB
testcase_73 AC 25 ms
24,000 KB
testcase_74 AC 26 ms
24,000 KB
testcase_75 AC 27 ms
24,000 KB
testcase_76 AC 26 ms
24,000 KB
testcase_77 AC 26 ms
24,000 KB
testcase_78 AC 25 ms
24,000 KB
testcase_79 AC 26 ms
24,000 KB
testcase_80 AC 27 ms
24,000 KB
testcase_81 AC 27 ms
24,000 KB
testcase_82 AC 26 ms
24,000 KB
testcase_83 AC 27 ms
24,000 KB
testcase_84 AC 26 ms
24,000 KB
testcase_85 AC 28 ms
24,000 KB
testcase_86 AC 27 ms
24,000 KB
testcase_87 AC 27 ms
24,012 KB
testcase_88 AC 27 ms
24,012 KB
testcase_89 AC 26 ms
24,012 KB
testcase_90 AC 26 ms
24,012 KB
testcase_91 AC 27 ms
24,012 KB
testcase_92 AC 150 ms
24,012 KB
testcase_93 AC 144 ms
24,012 KB
testcase_94 AC 128 ms
24,012 KB
testcase_95 AC 175 ms
24,012 KB
testcase_96 AC 174 ms
24,012 KB
testcase_97 AC 164 ms
24,012 KB
testcase_98 AC 163 ms
24,012 KB
testcase_99 AC 179 ms
24,012 KB
testcase_100 AC 134 ms
24,012 KB
testcase_101 AC 163 ms
24,012 KB
evil_1_rnd_1.txt AC 337 ms
24,012 KB
evil_1_rnd_2.txt AC 352 ms
24,012 KB
evil_2_big_1.txt AC 441 ms
24,012 KB
evil_2_big_2.txt AC 429 ms
24,012 KB
evil_2_big_3.txt AC 445 ms
24,012 KB
evil_3_sorted_1.txt AC 250 ms
24,012 KB
evil_4_sorted_rev_1.txt AC 194 ms
24,012 KB
evil_4_sorted_rev_2.txt AC 269 ms
24,012 KB
evil_400_sorted.txt AC 437 ms
24,012 KB
evil_400_sorted_rev.txt AC 423 ms
24,012 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 <iostream>
#include <algorithm>
#include <vector>

using namespace std;

using BI = vector<int>;

constexpr int LGN = 9;

BI add(const BI &a, const BI &b) {
    BI c(a.size());
    int q = 0;
    for (int i = 0; i < (int)a.size(); i++) {
        c[i] = a[i] + b[i] + q;
        int base = (3 * i + 1) * (3 * i + 2) * (3 * i + 3);
        q = c[i] >= base;
        c[i] = c[i] >= base ? c[i] - base : c[i];
    }
    return c;
}

BI div2(const BI &a) {
    BI b(a.size());
    int q = 0;
    for (int i = (int)a.size() - 1; i >= 0; i--) {
        q = q * (3 * i + 1) * (3 * i + 2) * (3 * i + 3) + a[i];
        b[i] = q / 2;
        q %= 2;
    }
    return b;
}

bool gr(const BI &a, const BI &b) {
    for (int i = (int)a.size() - 1; i >= 0; i--) {
        if (a[i] != b[i]) {
            return a[i] > b[i];
        }
    }
    return false;
}

void add(int bit[], int n, int x, int a) {
    for (; x <= n; x += x & -x) {
        bit[x] += a;
    }
}

int qry(int bit[], int n, int v) {
    int x = 0, cur = 0;
    for (int i = LGN - 1; i >= 0; i--) {
        if (x + (1 << i) <= n) {
            if (cur + bit[x+(1<<i)] <= v) {
                cur += bit[x+(1<<i)];
                x += 1 << i;
            }
        }
    }
    return x + 1;
}

void find_perm(const BI &a, int n, int p[]) {
    int bit[n+1];
    fill(bit, bit + n + 1, 0);
    for (int i = 1; i <= n; i++) {
        add(bit, n, i, 1);
    }

    for (int i = 0; i < n; i++) {
        int t = n - 1 - i, x = t / 3, y = t % 3;
        int v = y == 0 ? a[x] % (3 * x + 1) :
                y == 1 ? a[x] / (3 * x + 1) % (3 * x + 2) :
                         a[x] / (3 * x + 1) / (3 * x + 2);
        p[i] = qry(bit, n, v);
        add(bit, n, p[i], -1);
    }
}

int main() {
    int n;
    cin >> n;

    const int L = n / 3 + 1;

    BI l(L), r(L);
    r.back() = n % 3 == 0 ? 1 : n % 3 == 1 ? n : n * (n - 1);

    BI one(L);
    one[0] = 1;
    while (gr(r, add(l, one))) {
        BI mid = div2(add(l, r));

        int q[n];
        find_perm(mid, n, q);

        cout << "?";
        for (int i = 0; i < n; i++) {
            cout << " " << q[i];
        }
        cout << endl;

        int res;
        cin >> res;

        if (res == 1) {
            l = mid;
        } else {
            r = mid;
        }
    }

    int ans[n];
    find_perm(l, n, ans);

    cout << "!";
    for (int i = 0; i < n; i++) {
        cout << " " << ans[i];
    }
    cout << endl;

    return 0;
}
0