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 firiexpfiriexp
提出日時 2020-12-02 10:28:27
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 3,788 bytes
コンパイル時間 1,103 ms
コンパイル使用メモリ 113,496 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-09-03 03:57:02
合計ジャッジ時間 8,498 ms
ジャッジサーバーID
(参考情報)
judge14 / judge12
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 1 ms
4,376 KB
testcase_01 AC 2 ms
4,384 KB
testcase_02 AC 2 ms
4,380 KB
testcase_03 AC 2 ms
4,376 KB
testcase_04 AC 2 ms
4,384 KB
testcase_05 AC 1 ms
4,376 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 1 ms
4,376 KB
testcase_08 AC 2 ms
4,376 KB
testcase_09 AC 1 ms
4,376 KB
testcase_10 AC 1 ms
4,384 KB
testcase_11 AC 2 ms
4,380 KB
testcase_12 AC 2 ms
4,380 KB
testcase_13 AC 2 ms
4,376 KB
testcase_14 AC 1 ms
4,380 KB
testcase_15 AC 1 ms
4,376 KB
testcase_16 AC 1 ms
4,380 KB
testcase_17 AC 2 ms
4,380 KB
testcase_18 AC 2 ms
4,380 KB
testcase_19 AC 2 ms
4,380 KB
testcase_20 AC 1 ms
4,380 KB
testcase_21 AC 2 ms
4,376 KB
testcase_22 AC 2 ms
4,376 KB
testcase_23 AC 2 ms
4,384 KB
testcase_24 AC 2 ms
4,380 KB
testcase_25 AC 2 ms
4,380 KB
testcase_26 AC 1 ms
4,376 KB
testcase_27 AC 2 ms
4,376 KB
testcase_28 AC 1 ms
4,380 KB
testcase_29 AC 1 ms
4,376 KB
testcase_30 AC 2 ms
4,376 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
4,380 KB
testcase_35 AC 1 ms
4,380 KB
testcase_36 AC 2 ms
4,380 KB
testcase_37 AC 2 ms
4,380 KB
testcase_38 AC 1 ms
4,376 KB
testcase_39 AC 2 ms
4,376 KB
testcase_40 AC 1 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
4,376 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 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 2 ms
4,376 KB
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ソースコード

diff #

#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 998244353;
using ll = long long;
using u32 = unsigned;
using u64 = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

template <u32 M>
struct modint {
    u32 val;
public:
    static modint raw(int v) { modint x; x.val = v; return x; }
    modint() : val(0) {}
    template <class T>
    modint(T v) { ll x = (ll)(v%(ll)(M)); if (x < 0) x += M; val = u32(x); }
    modint(bool v) { val = ((unsigned int)(v) % M); }
    modint& operator++() { val++; if (val == M) val = 0; return *this; }
    modint& operator--() { if (val == 0) val = M; val--; return *this; }
    modint operator++(int) { modint result = *this; ++*this; return result; }
    modint operator--(int) { modint result = *this; --*this; return result; }
    modint& operator+=(const modint& b) { val += b.val; if (val >= M) val -= M; return *this; }
    modint& operator-=(const modint& b) { val -= b.val; if (val >= M) val += M; return *this; }
    modint& operator*=(const modint& b) { u64 z = val; z *= b.val; val = (u32)(z % M); return *this; }
    modint& operator/=(const modint& b) { return *this = *this * b.inv(); }
    modint operator+() const { return *this; }
    modint operator-() const { return modint() - *this; }
    modint pow(long long n) const { modint x = *this, r = 1; while (n) { if (n & 1) r *= x; x *= x; n >>= 1; } return r; }
    modint inv() const { return pow(M-2); }
    friend modint operator+(const modint& a, const modint& b) { return modint(a) += b; }
    friend modint operator-(const modint& a, const modint& b) { return modint(a) -= b; }
    friend modint operator*(const modint& a, const modint& b) { return modint(a) *= b; }
    friend modint operator/(const modint& a, const modint& b) { return modint(a) /= b; }
    friend bool operator==(const modint& a, const modint& b) { return a.val == b.val; }
    friend bool operator!=(const modint& a, const modint& b) { return a.val != b.val; }
};
using mint = modint<MOD>;

template<class T>
void fwht(vector<T> &v){
    int sz = 1;
    while(sz < v.size()) sz <<= 1;
    v.resize(sz);
    for (int i = 1; i < sz; i <<= 1) {
        for (int j = 0; j < sz; j += (i<<1)) {
            for (int k = 0; k < i; ++k) {
                T x = v[j+k], y = v[j+k+i];
                v[j+k] = (x+y), v[j+k+i] = (x-y);
            }
        }
    }
}

template<class T>
void ifwht(vector<T> &v){
    int sz = 1;
    while(sz < v.size()) sz <<= 1;
    v.resize(sz);
    for (int i = 1; i < sz; i <<= 1) {
        for (int j = 0; j < sz; j += (i<<1)) {
            for (int k = 0; k < i; ++k) {
                T x = v[j+k], y = v[j+k+i];
                v[j+k] = (x+y)*499122177, v[j+k+i] = (x-y)*499122177;
            }
        }
    }
}

int main() {
    int n, k, x, y;
    scanf("%d %d %d %d", &n, &k, &x, &y);
    vector<int> bs(k);
    for (auto &&i : bs) scanf("%d", &i);
    sort(bs.begin(), bs.end());
    bs.erase(unique(bs.begin(), bs.end()), bs.end());
    k = bs.size();
    vector<mint> a(1024);
    for (int i = 0; i < k; ++i) a[bs[i]] = 1;
    fwht(a);
    vector<vector<mint>> dp(n+1, vector<mint>(1024));
    dp[0][0] = 1;
    fwht(dp[0]);
    for (int i = 1; i <= n; ++i) {
        dp[i] = dp[i-1];
        for (int j = 0; j < 1024; ++j) dp[i][j] *= a[j];
        if(i >= 2) for (int j = 0; j < 1024; ++j) dp[i][j] -= dp[i-2][j]*k;
        if(i >= 3) for (int j = 0; j < 1024; ++j) dp[i][j] += dp[i-2][j];
    }
    ifwht(dp.back());
    mint ans = 0;
    for (int i = x; i <= min(y, 1023); ++i) {
        ans += dp.back()[i];
    }
    printf("%d\n", ans.val);
    return 0;
}
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