結果

問題 No.1304 あなたは基本が何か知っていますか?私は知っています.
ユーザー momoharamomohara
提出日時 2020-12-02 13:59:14
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 8 ms / 2,000 ms
コード長 4,055 bytes
コンパイル時間 2,090 ms
コンパイル使用メモリ 210,088 KB
実行使用メモリ 4,380 KB
最終ジャッジ日時 2023-09-03 03:57:35
合計ジャッジ時間 6,907 ms
ジャッジサーバーID
(参考情報)
judge14 / judge13
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 2 ms
4,376 KB
testcase_01 AC 1 ms
4,380 KB
testcase_02 AC 2 ms
4,380 KB
testcase_03 AC 2 ms
4,376 KB
testcase_04 AC 8 ms
4,376 KB
testcase_05 AC 3 ms
4,380 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 6 ms
4,376 KB
testcase_08 AC 2 ms
4,376 KB
testcase_09 AC 6 ms
4,376 KB
testcase_10 AC 3 ms
4,376 KB
testcase_11 AC 5 ms
4,376 KB
testcase_12 AC 5 ms
4,380 KB
testcase_13 AC 3 ms
4,380 KB
testcase_14 AC 5 ms
4,380 KB
testcase_15 AC 4 ms
4,380 KB
testcase_16 AC 5 ms
4,376 KB
testcase_17 AC 2 ms
4,376 KB
testcase_18 AC 5 ms
4,380 KB
testcase_19 AC 3 ms
4,380 KB
testcase_20 AC 2 ms
4,376 KB
testcase_21 AC 3 ms
4,380 KB
testcase_22 AC 6 ms
4,380 KB
testcase_23 AC 7 ms
4,380 KB
testcase_24 AC 7 ms
4,376 KB
testcase_25 AC 2 ms
4,380 KB
testcase_26 AC 2 ms
4,380 KB
testcase_27 AC 3 ms
4,376 KB
testcase_28 AC 2 ms
4,376 KB
testcase_29 AC 2 ms
4,376 KB
testcase_30 AC 1 ms
4,380 KB
testcase_31 AC 2 ms
4,380 KB
testcase_32 AC 2 ms
4,380 KB
testcase_33 AC 2 ms
4,380 KB
testcase_34 AC 2 ms
4,376 KB
testcase_35 AC 2 ms
4,380 KB
testcase_36 AC 2 ms
4,380 KB
testcase_37 AC 2 ms
4,376 KB
testcase_38 AC 1 ms
4,376 KB
testcase_39 AC 1 ms
4,380 KB
testcase_40 AC 2 ms
4,376 KB
testcase_41 AC 2 ms
4,376 KB
testcase_42 AC 2 ms
4,380 KB
testcase_43 AC 2 ms
4,380 KB
testcase_44 AC 2 ms
4,380 KB
04_evil_A_01 WA -
04_evil_A_02 WA -
04_evil_A_03 WA -
04_evil_A_04 WA -
04_evil_A_05 WA -
04_evil_A_06 RE -
04_evil_A_07 WA -
04_evil_A_08 WA -
04_evil_A_09 WA -
04_evil_A_10 WA -
05_evil_B_01 WA -
05_evil_B_02 WA -
05_evil_B_03 WA -
05_evil_B_04 WA -
05_evil_B_05 WA -
05_evil_B_06 WA -
05_evil_B_07 WA -
05_evil_B_08 WA -
05_evil_B_09 WA -
05_evil_B_10 WA -
06_evil_C_01 RE -
06_evil_C_02 RE -
06_evil_C_03 RE -
06_evil_C_04 RE -
06_evil_C_05 RE -
06_evil_C_06 RE -
06_evil_C_07 RE -
06_evil_C_08 RE -
06_evil_C_09 RE -
06_evil_C_10 AC 1 ms
4,376 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;

#define all(hoge) (hoge).begin(), (hoge).end()
#define en '\n'
using ll = long long;
using ull = unsigned long long;
#define rep(i, m, n) for(ll i = (ll)(m); i < (ll)(n); ++i)
#define rep2(i, m, n) for(ll i = (ll)(n)-1; i >= (ll)(m); --i)
#define REP(i, n) rep(i, 0, n)
#define REP2(i, n) rep2(i, 0, n)
template<class T> using vec = vector<T>;
template<class T> using vvec = vector<vec<T>>;
typedef pair<ll, ll> P;
using tp = tuple<ll, ll, ll>;

constexpr long long INF = 1LL << 60;
constexpr int INF_INT = 1 << 25;
//constexpr long long MOD = (ll) 1e9 + 7;
constexpr long long MOD = 998244353LL;
using ld = long double;
static const ld pi = 3.141592653589793L;

using Array = vector<ll>;
using Matrix = vector<Array>;

/*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
*/

template<class T>
inline bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
inline bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

template<int mod>
struct ModInt {
    int x;

    ModInt() : x(0) {}

    ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}

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

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

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

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

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

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

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

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

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

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

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

    ModInt inverse() const {
        int a = x, b = mod, u = 1, v = 0, t;
        while (b > 0) {
            t = a / b;
            swap(a -= t * b, b);
            swap(u -= t * v, v);
        }
        return ModInt(u);
    }

    ModInt pow(int64_t n) const {
        ModInt ret(1), mul(x);
        while (n > 0) {
            if (n & 1) ret *= mul;
            mul *= mul;
            n >>= 1;
        }
        return ret;
    }

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

    friend istream &operator>>(istream &is, ModInt &a) {
        int64_t t;
        is >> t;
        a = ModInt<mod>(t);
        return (is);
    }

    static int get_mod() { return mod; }
};

using mint = ModInt<MOD>;

void solve() {
    ll n, k, x, y;
    cin >> n >> k >> x >> y;
    vec<ll> a(k);
    REP(i, k) {
        cin >> a[i];
    }

    //重複を取り除く
    sort(all(a));
    a.erase(unique(all(a)), a.end());
    k=a.size();

    vvec<ll> dp(n + 1, vec<ll>(1024, -1));
    auto dfs = [&](auto &&self, ll i, ll j) -> ll {
        if (dp[i][j] != -1) return dp[i][j];
        if (i == 0) return dp[i][j] = j == 0;

        mint ret = 0;
        REP(l, k) {
            ret += self(self, i - 1, (j ^ a[l]));
        }
        //2連続でa[l]をつかうと同じ合計xorになるので、除く。
        if (i == 2) {
            ret -= self(self, i - 2, j) * k;
        } else if (i > 2) {
            ret -= self(self, i - 2, j) * (k - 1);
        }
        return dp[i][j] = ret.x;
    };
    mint ans = 0;
    chmin(y, 1023LL);
    rep(i, x, y + 1) {
        ans += dfs(dfs, n, i);
    }
    cout << ans << en;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
/*
    ll t;
    cin >> t;
    REP(i, t - 1) {
        solve();
    }*/

    solve();

    return 0;
}
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