結果

問題 No.1306 Exactly 2 Digits
ユーザー hitonanodehitonanode
提出日時 2020-12-03 01:32:58
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 142 ms / 2,000 ms
コード長 2,757 bytes
コンパイル時間 2,508 ms
コンパイル使用メモリ 223,952 KB
実行使用メモリ 25,580 KB
平均クエリ数 1236.78
最終ジャッジ日時 2024-07-17 08:04:55
合計ジャッジ時間 16,396 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
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 26 ms
24,812 KB
testcase_01 AC 23 ms
25,196 KB
testcase_02 AC 23 ms
24,836 KB
testcase_03 AC 23 ms
24,836 KB
testcase_04 AC 24 ms
25,220 KB
testcase_05 AC 24 ms
25,220 KB
testcase_06 AC 24 ms
24,836 KB
testcase_07 AC 23 ms
25,208 KB
testcase_08 AC 23 ms
24,836 KB
testcase_09 AC 23 ms
25,220 KB
testcase_10 AC 23 ms
25,092 KB
testcase_11 AC 23 ms
24,844 KB
testcase_12 AC 24 ms
25,464 KB
testcase_13 AC 23 ms
24,556 KB
testcase_14 AC 23 ms
24,812 KB
testcase_15 AC 23 ms
24,868 KB
testcase_16 AC 23 ms
24,556 KB
testcase_17 AC 23 ms
25,196 KB
testcase_18 AC 23 ms
25,196 KB
testcase_19 AC 23 ms
24,556 KB
testcase_20 AC 23 ms
25,196 KB
testcase_21 AC 23 ms
24,812 KB
testcase_22 AC 23 ms
24,812 KB
testcase_23 AC 24 ms
25,196 KB
testcase_24 AC 24 ms
25,580 KB
testcase_25 AC 24 ms
25,184 KB
testcase_26 AC 23 ms
24,812 KB
testcase_27 AC 25 ms
24,556 KB
testcase_28 AC 24 ms
25,196 KB
testcase_29 AC 24 ms
25,240 KB
testcase_30 AC 24 ms
24,812 KB
testcase_31 AC 24 ms
25,068 KB
testcase_32 AC 24 ms
24,812 KB
testcase_33 AC 25 ms
25,196 KB
testcase_34 AC 24 ms
24,812 KB
testcase_35 AC 23 ms
25,068 KB
testcase_36 AC 24 ms
25,196 KB
testcase_37 AC 24 ms
24,812 KB
testcase_38 AC 24 ms
24,812 KB
testcase_39 AC 24 ms
24,556 KB
testcase_40 AC 25 ms
24,940 KB
testcase_41 AC 25 ms
24,812 KB
testcase_42 AC 25 ms
25,196 KB
testcase_43 AC 25 ms
24,812 KB
testcase_44 AC 26 ms
24,940 KB
testcase_45 AC 25 ms
24,812 KB
testcase_46 AC 26 ms
24,428 KB
testcase_47 AC 28 ms
24,556 KB
testcase_48 AC 29 ms
25,452 KB
testcase_49 AC 29 ms
24,556 KB
testcase_50 AC 30 ms
24,556 KB
testcase_51 AC 31 ms
24,544 KB
testcase_52 AC 34 ms
24,812 KB
testcase_53 AC 36 ms
25,196 KB
testcase_54 AC 35 ms
24,940 KB
testcase_55 AC 37 ms
24,940 KB
testcase_56 AC 41 ms
24,812 KB
testcase_57 AC 40 ms
24,812 KB
testcase_58 AC 42 ms
25,196 KB
testcase_59 AC 41 ms
24,940 KB
testcase_60 AC 49 ms
25,452 KB
testcase_61 AC 52 ms
24,812 KB
testcase_62 AC 52 ms
25,196 KB
testcase_63 AC 56 ms
25,196 KB
testcase_64 AC 53 ms
25,452 KB
testcase_65 AC 57 ms
24,812 KB
testcase_66 AC 62 ms
24,812 KB
testcase_67 AC 65 ms
24,812 KB
testcase_68 AC 63 ms
25,068 KB
testcase_69 AC 67 ms
24,812 KB
testcase_70 AC 68 ms
25,052 KB
testcase_71 AC 72 ms
24,556 KB
testcase_72 AC 71 ms
25,068 KB
testcase_73 AC 70 ms
24,556 KB
testcase_74 AC 84 ms
25,068 KB
testcase_75 AC 80 ms
24,800 KB
testcase_76 AC 89 ms
24,940 KB
testcase_77 AC 95 ms
24,556 KB
testcase_78 AC 101 ms
25,196 KB
testcase_79 AC 109 ms
25,452 KB
testcase_80 AC 110 ms
25,052 KB
testcase_81 AC 93 ms
24,940 KB
testcase_82 AC 117 ms
25,196 KB
testcase_83 AC 121 ms
25,196 KB
testcase_84 AC 127 ms
24,940 KB
testcase_85 AC 135 ms
24,556 KB
testcase_86 AC 112 ms
24,812 KB
testcase_87 AC 118 ms
24,556 KB
testcase_88 AC 142 ms
24,812 KB
testcase_89 AC 120 ms
24,544 KB
testcase_90 AC 107 ms
25,196 KB
testcase_91 AC 117 ms
24,812 KB
testcase_92 AC 107 ms
24,812 KB
testcase_93 AC 126 ms
25,196 KB
testcase_94 AC 109 ms
24,940 KB
testcase_95 AC 115 ms
24,556 KB
testcase_96 AC 105 ms
24,812 KB
testcase_97 AC 105 ms
24,812 KB
testcase_98 AC 99 ms
24,556 KB
testcase_99 AC 114 ms
24,940 KB
testcase_100 AC 118 ms
25,196 KB
testcase_101 AC 125 ms
24,940 KB
testcase_102 AC 104 ms
25,068 KB
testcase_103 AC 112 ms
24,556 KB
testcase_104 AC 109 ms
25,196 KB
testcase_105 AC 113 ms
24,812 KB
testcase_106 AC 101 ms
24,940 KB
testcase_107 AC 118 ms
25,100 KB
testcase_108 AC 107 ms
25,196 KB
testcase_109 AC 126 ms
25,196 KB
testcase_110 AC 104 ms
25,184 KB
testcase_111 AC 107 ms
24,812 KB
testcase_112 AC 97 ms
24,428 KB
testcase_113 AC 131 ms
25,196 KB
testcase_114 AC 133 ms
25,196 KB
testcase_115 AC 114 ms
24,812 KB
testcase_116 AC 137 ms
25,196 KB
testcase_117 AC 117 ms
24,940 KB
testcase_118 AC 127 ms
24,940 KB
testcase_119 AC 110 ms
24,812 KB
testcase_120 AC 103 ms
24,812 KB
testcase_121 AC 119 ms
24,812 KB
testcase_122 AC 115 ms
25,452 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 <bits/stdc++.h>
using namespace std;
using pint = pair<int, int>;
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); }

pint query(int i, int j) {
    cout << "? " << i + 1 << ' ' << j + 1 << endl;
    int x, y;
    cin >> x >> y;
    return make_pair(x, y);
}

pint simulate(pint pi, pint pj) {
    pint ret = pi - pj;
    if (ret.first > ret.second) swap(ret.first, ret.second);
    return ret;
}

int main()
{
    int N;
    cin >> N;
    const int L = N * N - N;

    map<int, int> freqcnt;
    freqcnt[0] += 2;
    map<pint, vector<int>> p2i;

    for (int i = 1; i < L; i++) {
        auto [x, y] = query(i, 0);
        p2i[pint(x, y)].emplace_back(i);
        if (x == 0 or y == 0) freqcnt[x + y]++;
    }

    const int lo = freqcnt.begin()->first;
    const int hi = prev(freqcnt.end())->first;
    int lo2 = lo, hi2 = hi;
    while (freqcnt[lo2] == 1) lo2++;
    while (freqcnt[hi2] == 1) hi2--;

    vector<pint> ret(L, pint(-1, -1));

    if (hi2 - lo == N - 1 and hi - lo2 == N - 2) {
        ret[0] = make_pair(-lo2 + 1, -lo); // (十, 一)
    } else if (hi2 - lo == N - 2 and hi - lo2 == N - 1) {
        ret[0] = make_pair(-lo + 1, -lo2);
    }

    auto is_valid = [&](pint p) -> bool { return p.first > 0 and p.first < N and p.second >= 0 and p.second < N; };

    vector<int> ics;
    for (const auto [p, is] : p2i) {
        pint pa = p;
        if (is.size() == 1) {
            int i = is[0];
            pint pcand = ret[0] + pa;
            if (is_valid(pcand)) ret[i] = pcand;
            else {
                swap(pa.first, pa.second);
                ret[i] = ret[0] + pa;
            }
            ics.emplace_back(i);
        }
    }
    assert(ics.size() > 0);

    for (const auto [p, is] : p2i) {
        if (is.size() == 2) {
            pint pa = p;
            const int i = is[0], j = is[1];

            const pint p1 = ret[0] + pa;
            swap(pa.first, pa.second);
            const pint p2 = ret[0] + pa;

            for (auto ic : ics) {
                pint psim1 = simulate(p1, ret[ic]);
                pint psim2 = simulate(p2, ret[ic]);
                if (psim1 != psim2) {
                    pint ptmp = query(i, ic);
                    if (psim1 == ptmp) ret[i] = p1, ret[j] = p2;
                    else ret[i] = p2, ret[j] = p1;
                    break;
                }
            }
        }
    }
    cout << "! ";
    for (auto x : ret) cout << x.first * N + x.second << ' ';
    cout << endl;
}
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