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 tokusakuraitokusakurai
提出日時 2020-12-02 13:24:24
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 638 ms / 2,000 ms
コード長 3,874 bytes
コンパイル時間 2,497 ms
コンパイル使用メモリ 212,592 KB
実行使用メモリ 7,552 KB
最終ジャッジ日時 2024-06-12 13:56:53
合計ジャッジ時間 35,167 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge5
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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 392 ms
7,296 KB
testcase_01 AC 390 ms
7,424 KB
testcase_02 AC 521 ms
7,296 KB
testcase_03 AC 569 ms
7,296 KB
testcase_04 AC 573 ms
7,296 KB
testcase_05 AC 527 ms
7,424 KB
testcase_06 AC 576 ms
7,424 KB
testcase_07 AC 518 ms
7,296 KB
testcase_08 AC 512 ms
7,424 KB
testcase_09 AC 558 ms
7,424 KB
testcase_10 AC 471 ms
7,296 KB
testcase_11 AC 512 ms
7,424 KB
testcase_12 AC 542 ms
7,424 KB
testcase_13 AC 506 ms
7,424 KB
testcase_14 AC 608 ms
7,424 KB
testcase_15 AC 498 ms
7,424 KB
testcase_16 AC 591 ms
7,424 KB
testcase_17 AC 614 ms
7,296 KB
testcase_18 AC 585 ms
7,424 KB
testcase_19 AC 503 ms
7,424 KB
testcase_20 AC 492 ms
7,424 KB
testcase_21 AC 512 ms
7,424 KB
testcase_22 AC 638 ms
7,424 KB
testcase_23 AC 634 ms
7,424 KB
testcase_24 AC 574 ms
7,424 KB
testcase_25 AC 527 ms
7,424 KB
testcase_26 AC 479 ms
7,296 KB
testcase_27 AC 518 ms
7,296 KB
testcase_28 AC 507 ms
7,424 KB
testcase_29 AC 558 ms
7,424 KB
testcase_30 AC 471 ms
7,424 KB
testcase_31 AC 509 ms
7,424 KB
testcase_32 AC 538 ms
7,552 KB
testcase_33 AC 504 ms
7,424 KB
testcase_34 AC 592 ms
7,424 KB
testcase_35 AC 438 ms
7,424 KB
testcase_36 AC 515 ms
7,424 KB
testcase_37 AC 624 ms
7,424 KB
testcase_38 AC 560 ms
7,296 KB
testcase_39 AC 490 ms
7,296 KB
testcase_40 AC 582 ms
7,424 KB
testcase_41 AC 577 ms
7,296 KB
testcase_42 AC 606 ms
7,424 KB
testcase_43 AC 588 ms
7,424 KB
testcase_44 AC 593 ms
7,424 KB
04_evil_A_01 RE -
04_evil_A_02 RE -
04_evil_A_03 RE -
04_evil_A_04 RE -
04_evil_A_05 RE -
04_evil_A_06 RE -
04_evil_A_07 RE -
04_evil_A_08 RE -
04_evil_A_09 RE -
04_evil_A_10 RE -
05_evil_B_01 RE -
05_evil_B_02 RE -
05_evil_B_03 RE -
05_evil_B_04 RE -
05_evil_B_05 RE -
05_evil_B_06 RE -
05_evil_B_07 RE -
05_evil_B_08 RE -
05_evil_B_09 RE -
05_evil_B_10 RE -
06_evil_C_01 WA -
06_evil_C_02 WA -
06_evil_C_03 WA -
06_evil_C_04 WA -
06_evil_C_05 WA -
06_evil_C_06 WA -
06_evil_C_07 WA -
06_evil_C_08 WA -
06_evil_C_09 WA -
06_evil_C_10 RE -
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 rep(i, n) for(int i = 0; i < n; i++)
#define rep2(i, x, n) for(int i = x; i <= n; i++)
#define rep3(i, x, n) for(int i = x; i >= n; i--)
#define each(e, v) for(auto &e: v)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
//const int MOD = 1000000007;
const int MOD = 998244353;
const int inf = (1<<30)-1;
const ll INF = (1LL<<60)-1;
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;};

struct io_setup{
    io_setup(){
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        cout << fixed << setprecision(15);
    }
} io_setup;

template<int mod>
struct Mod_Int{
    int x;

    Mod_Int() : x(0) {}

    Mod_Int(ll y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % 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(ll k) const{
        Mod_Int now = *this, ret = 1;
        while(k){
            if(k&1) ret *= now;
            now *= now, k >>= 1;
        }
        return ret;
    }

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

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

using mint = Mod_Int<MOD>;

vector<vector<mint>> dp(1024, vector<mint>(1024, 0));
vector<int> A;

void dfs(int k, int pre, int now){
    if(k == 0) {dp[pre][now]++; return;}
    each(e, A){
        if(e != pre) dfs(k-1, e, now^e);
    }
}

int main(){
    int N, K, L, R;
    cin >> N >> K >> L >> R;
    A.resize(K);
    rep(i, K) cin >> A[i];
    sort(all(A));
    A.erase(unique(all(A)), end(A));

    int n = N/2;
    dfs(n, -1, 0);
    vector<mint> s(1024, 0);
    rep(i, 1024){
        rep(j, 1024) s[j] += dp[i][j];
    }

    mint ans = 0;
    rep(i, 1024){
        rep(j, 1024){
            if(L <= (i^j) && (i^j) <= R) ans += s[i]*s[j];
        }
    }

    rep(i, 1024){
        rep(j, 1024){
            mint tmp = 0;
            rep(k, j){
                if(L <= (j^k) && (j^k) <= R) tmp += dp[i][k];
            }
            tmp *= 2;
            if(L == 0) tmp += dp[i][j];
            ans -= tmp*dp[i][j];
        }
    }

    cout << ans << '\n';
}
0