結果

問題 No.2848 Birthday Hit and Blow
ユーザー torisasami4torisasami4
提出日時 2024-07-17 02:26:12
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 462 ms / 2,000 ms
コード長 7,767 bytes
コンパイル時間 2,987 ms
コンパイル使用メモリ 235,776 KB
実行使用メモリ 25,220 KB
平均クエリ数 502.50
最終ジャッジ日時 2024-07-17 02:36:45
合計ジャッジ時間 3,790 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
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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 61 ms
24,812 KB
testcase_01 AC 462 ms
25,220 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 # 

// #define _GLIBCXX_DEBUG
// #pragma GCC optimize("O2,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < int(n); i++)
#define per(i, n) for (int i = (n)-1; 0 <= i; i--)
#define rep2(i, l, r) for (int i = (l); i < int(r); i++)
#define per2(i, l, r) for (int i = (r)-1; int(l) <= i; i--)
#define each(e, v) for (auto &e : v)
#define MM << " " <<
#define pb push_back
#define eb emplace_back
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define sz(x) (int)x.size()
template <typename T>
void print(const vector<T> &v, T x = 0) {
    int n = v.size();
    for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
    if (v.empty()) cout << '\n';
}
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
template <typename T>
bool chmax(T &x, const T &y) {
    return (x < y) ? (x = y, true) : false;
}
template <typename T>
bool chmin(T &x, const T &y) {
    return (x > y) ? (x = y, true) : false;
}
template <class T>
using minheap = std::priority_queue<T, std::vector<T>, std::greater<T>>;
template <class T>
using maxheap = std::priority_queue<T>;
template <typename T>
int lb(const vector<T> &v, T x) {
    return lower_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, T x) {
    return upper_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
void rearrange(vector<T> &v) {
    sort(begin(v), end(v));
    v.erase(unique(begin(v), end(v)), end(v));
}

// __int128_t gcd(__int128_t a, __int128_t b) {
//     if (a == 0)
//         return b;
//     if (b == 0)
//         return a;
//     __int128_t cnt = a % b;
//     while (cnt != 0) {
//         a = b;
//         b = cnt;
//         cnt = a % b;
//     }
//     return b;
// }

struct Union_Find_Tree {
    vector<int> data;
    const int n;
    int cnt;

    Union_Find_Tree(int n) : data(n, -1), n(n), cnt(n) {}

    int root(int x) {
        if (data[x] < 0) return x;
        return data[x] = root(data[x]);
    }

    int operator[](int i) { return root(i); }

    bool unite(int x, int y) {
        x = root(x), y = root(y);
        if (x == y) return false;
        // if (data[x] > data[y]) swap(x, y);
        data[x] += data[y], data[y] = x;
        cnt--;
        return true;
    }

    int size(int x) { return -data[root(x)]; }

    int count() { return cnt; };

    bool same(int x, int y) { return root(x) == root(y); }

    void clear() {
        cnt = n;
        fill(begin(data), end(data), -1);
    }
};

template <int mod>
struct Mod_Int {
    int x;

    Mod_Int() : x(0) {}

    Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}

    static int get_mod() { return mod; }

    Mod_Int &operator+=(const Mod_Int &p) {
        if ((x += p.x) >= mod) x -= mod;
        return *this;
    }

    Mod_Int &operator-=(const Mod_Int &p) {
        if ((x += mod - p.x) >= mod) x -= mod;
        return *this;
    }

    Mod_Int &operator*=(const Mod_Int &p) {
        x = (int)(1LL * x * p.x % mod);
        return *this;
    }

    Mod_Int &operator/=(const Mod_Int &p) {
        *this *= p.inverse();
        return *this;
    }

    Mod_Int &operator++() { return *this += Mod_Int(1); }

    Mod_Int operator++(int) {
        Mod_Int tmp = *this;
        ++*this;
        return tmp;
    }

    Mod_Int &operator--() { return *this -= Mod_Int(1); }

    Mod_Int operator--(int) {
        Mod_Int tmp = *this;
        --*this;
        return tmp;
    }

    Mod_Int operator-() const { return Mod_Int(-x); }

    Mod_Int operator+(const Mod_Int &p) const { return Mod_Int(*this) += p; }

    Mod_Int operator-(const Mod_Int &p) const { return Mod_Int(*this) -= p; }

    Mod_Int operator*(const Mod_Int &p) const { return Mod_Int(*this) *= p; }

    Mod_Int operator/(const Mod_Int &p) const { return Mod_Int(*this) /= p; }

    bool operator==(const Mod_Int &p) const { return x == p.x; }

    bool operator!=(const Mod_Int &p) const { return x != p.x; }

    Mod_Int inverse() const {
        assert(*this != Mod_Int(0));
        return pow(mod - 2);
    }

    Mod_Int pow(long long k) const {
        Mod_Int now = *this, ret = 1;
        for (; k > 0; k >>= 1, now *= now) {
            if (k & 1) ret *= now;
        }
        return ret;
    }

    friend ostream &operator<<(ostream &os, const Mod_Int &p) { return os << p.x; }

    friend istream &operator>>(istream &is, Mod_Int &p) {
        long long a;
        is >> a;
        p = Mod_Int<mod>(a);
        return is;
    }
};

ll mpow(ll x, ll n, ll mod) {
    ll ans = 1;
    x %= mod;
    while (n != 0) {
        if (n & 1) ans = ans * x % mod;
        x = x * x % mod;
        n = n >> 1;
    }
    ans %= mod;
    return ans;
}

template <typename T>
T modinv(T a, const T &m) {
    T b = m, u = 1, v = 0;
    while (b > 0) {
        T t = a / b;
        swap(a -= t * b, b);
        swap(u -= t * v, v);
    }
    return u >= 0 ? u % m : (m - (-u) % m) % m;
}

ll divide_int(ll a, ll b) {
    if (b < 0) a = -a, b = -b;
    return (a >= 0 ? a / b : (a - b + 1) / b);
}

// const int MOD = 1000000007;
const int MOD = 998244353;
using mint = Mod_Int<MOD>;
const int inf = 1e9;

// ----- library -------
// ----- library -------

int main() {
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    cout << fixed << setprecision(15);

    vector<int> days{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    vector<string> ts;
    rep(i, 12) rep(j, days[i]) {
        int month = i + 1, day = j + 1;
        string s;
        s += '0' + (month >= 10 ? month / 10 : 0);
        s += '0' + month % 10;
        s += '0' + (day >= 10 ? day / 10 : 0);
        s += '0' + day % 10;
        bool ok = true;
        rep(i, 4) rep2(j, i + 1, 4) if (s[i] == s[j]) ok = false;
        if (!ok) continue;
        ts.eb(s);
    }
    vector<string> qs;
    rep(v, 10000) {
        vector<int> a(4);
        int cv = v;
        rep(i, 4) a[i] = cv % 10, cv /= 10;
        bool ok = true;
        rep(i, 4) rep2(j, i + 1, 4) if (a[i] == a[j]) ok = false;
        if (!ok) continue;
        string s;
        rep(i, 4) s += '0' + a[i];
        qs.eb(s);
    }
    int D = sz(ts), Q = sz(qs);
    vector<vector<int>> eval(D, vector<int>(Q, 0));
    rep(i, D) rep(j, Q) {
        rep(k, 4) if (ts[i][k] == qs[j][k]) eval[i][j] += 20;
        rep(k, 4) rep(l, 4) if (k != l && ts[i][k] == qs[j][l]) eval[i][j]++;
    }
    auto get = [&](vector<bool> f) {
        int mi = 1e9, id = -1;
        rep(j, Q) {
            vector<int> cnt(100, 0);
            rep(i, D) if (f[i]) cnt[eval[i][j]]++;
            if (chmin(mi, *max_element(all(cnt)))) id = j;
        }
        return id;
    };
    ll base = 5436591, mask = (1LL << 30) - 1;
    unordered_map<ll, bool> vis;
    unordered_map<ll, int> memo_q;
    unordered_map<ll, vector<bool>> memo_f;
    vis[0] = true;
    vector<bool> f0(D, true);
    memo_q[0] = get(f0);
    memo_f[0] = f0;
    int T;
    cin >> T;
    while (T--) {
        vector<bool> f = f0;
        ll hash = 0;
        rep(i, 4) {
            int id = memo_q[hash];
            cout << "? " << qs[id] << endl;
            int H, B;
            cin >> H >> B;
            if (H == -1)
                exit(1);
            int v = H * 20 + B;
            hash = (hash * base + v) & mask;
            if (vis[hash]) f = memo_f[hash];
            else {
                rep(i, D) f[i] = f[i] & (eval[i][id] == v);
                vis[hash] = true;
                memo_q[hash] = get(f);
                memo_f[hash] = f;
            }
        }
        int ans = -1;
        rep(i, D) if (f[i]) ans = i;
        cout << "! " << ts[ans] << endl;
        int ret;
        cin >> ret;
        if (ret == -1)
            exit(1);
    }
}
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