結果

問題 No.803 Very Limited Xor Subset
ユーザー rniyarniya
提出日時 2021-06-03 17:46:22
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 9,136 bytes
コンパイル時間 2,182 ms
コンパイル使用メモリ 208,324 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-11-17 04:22:52
合計ジャッジ時間 3,732 ms
ジャッジサーバーID
（参考情報） 		judge2 / 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 2 ms
5,248 KB
testcase_01 AC 2 ms
5,248 KB
testcase_02 AC 2 ms
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testcase_03 AC 2 ms
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testcase_04 AC 2 ms
5,248 KB
testcase_05 AC 2 ms
5,248 KB
testcase_06 AC 2 ms
5,248 KB
testcase_07 AC 3 ms
5,248 KB
testcase_08 AC 2 ms
5,248 KB
testcase_09 AC 2 ms
5,248 KB
testcase_10 AC 2 ms
5,248 KB
testcase_11 AC 2 ms
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testcase_12 AC 2 ms
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testcase_13 AC 2 ms
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testcase_14 AC 2 ms
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testcase_15 AC 3 ms
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testcase_16 AC 2 ms
5,248 KB
testcase_17 AC 2 ms
5,248 KB
testcase_18 AC 2 ms
5,248 KB
testcase_19 AC 3 ms
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testcase_20 AC 3 ms
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testcase_21 AC 3 ms
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testcase_22 AC 3 ms
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testcase_23 AC 3 ms
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testcase_24 AC 3 ms
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testcase_25 AC 3 ms
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testcase_26 AC 3 ms
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testcase_27 AC 2 ms
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testcase_28 AC 2 ms
5,248 KB
testcase_29 AC 2 ms
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testcase_30 AC 3 ms
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testcase_31 AC 3 ms
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testcase_32 AC 3 ms
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testcase_33 AC 3 ms
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testcase_34 AC 2 ms
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testcase_35 AC 3 ms
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testcase_36 AC 2 ms
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testcase_37 AC 2 ms
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testcase_38 AC 3 ms
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testcase_39 AC 3 ms
5,248 KB
testcase_40 AC 2 ms
5,248 KB
testcase_41 AC 3 ms
5,248 KB
testcase_42 AC 2 ms
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testcase_43 AC 2 ms
5,248 KB
testcase_44 AC 2 ms
5,248 KB
testcase_45 AC 2 ms
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testcase_46 AC 2 ms
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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 LOCAL
#include <bits/stdc++.h>
using namespace std;
#pragma region Macros
typedef long long ll;
typedef __int128_t i128;
typedef unsigned int uint;
typedef unsigned long long ull;
#define ALL(x) (x).begin(), (x).end()

template <typename T> istream& operator>>(istream& is, vector<T>& v) {
    for (T& x : v) is >> x;
    return is;
}
template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
    for (int i = 0; i < (int)v.size(); i++) {
        os << v[i] << (i + 1 == (int)v.size() ? "" : " ");
    }
    return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) {
    os << '(' << p.first << ',' << p.second << ')';
    return os;
}
template <typename T, typename U, typename V> ostream& operator<<(ostream& os, const tuple<T, U, V>& t) {
    os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')';
    return os;
}
template <typename T, typename U, typename V, typename W> ostream& operator<<(ostream& os, const tuple<T, U, V, W>& t) {
    os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')';
    return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& m) {
    os << '{';
    for (auto itr = m.begin(); itr != m.end();) {
        os << '(' << itr->first << ',' << itr->second << ')';
        if (++itr != m.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const unordered_map<T, U>& m) {
    os << '{';
    for (auto itr = m.begin(); itr != m.end();) {
        os << '(' << itr->first << ',' << itr->second << ')';
        if (++itr != m.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const set<T>& s) {
    os << '{';
    for (auto itr = s.begin(); itr != s.end();) {
        os << *itr;
        if (++itr != s.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const multiset<T>& s) {
    os << '{';
    for (auto itr = s.begin(); itr != s.end();) {
        os << *itr;
        if (++itr != s.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const unordered_set<T>& s) {
    os << '{';
    for (auto itr = s.begin(); itr != s.end();) {
        os << *itr;
        if (++itr != s.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const deque<T>& v) {
    for (int i = 0; i < (int)v.size(); i++) {
        os << v[i] << (i + 1 == (int)v.size() ? "" : " ");
    }
    return os;
}

void debug_out() { cerr << '\n'; }
template <class Head, class... Tail> void debug_out(Head&& head, Tail&&... tail) {
    cerr << head;
    if (sizeof...(Tail) > 0) cerr << ", ";
    debug_out(move(tail)...);
}
#ifdef LOCAL
#define debug(...)                                                                   \
    cerr << " ";                                                                     \
    cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n'; \
    cerr << " ";                                                                     \
    debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

template <typename T> T gcd(T x, T y) { return y != 0 ? gcd(y, x % y) : x; }
template <typename T> T lcm(T x, T y) { return x / gcd(x, y) * y; }

template <class T1, class T2> inline bool chmin(T1& a, T2 b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template <class T1, class T2> inline bool chmax(T1& a, T2 b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
#pragma endregion

/**
 * @brief modint
 * @docs docs/modulo/modint.md
 */
template <uint32_t mod> class modint {
    using i64 = int64_t;
    using u32 = uint32_t;
    using u64 = uint64_t;

public:
    u32 v;
    constexpr modint(const i64 x = 0) noexcept : v(x < 0 ? mod - 1 - (-(x + 1) % mod) : x % mod) {}
    constexpr u32& value() noexcept { return v; }
    constexpr const u32& value() const noexcept { return v; }
    constexpr modint operator+(const modint& rhs) const noexcept { return modint(*this) += rhs; }
    constexpr modint operator-(const modint& rhs) const noexcept { return modint(*this) -= rhs; }
    constexpr modint operator*(const modint& rhs) const noexcept { return modint(*this) *= rhs; }
    constexpr modint operator/(const modint& rhs) const noexcept { return modint(*this) /= rhs; }
    constexpr modint& operator+=(const modint& rhs) noexcept {
        v += rhs.v;
        if (v >= mod) v -= mod;
        return *this;
    }
    constexpr modint& operator-=(const modint& rhs) noexcept {
        if (v < rhs.v) v += mod;
        v -= rhs.v;
        return *this;
    }
    constexpr modint& operator*=(const modint& rhs) noexcept {
        v = (u64)v * rhs.v % mod;
        return *this;
    }
    constexpr modint& operator/=(const modint& rhs) noexcept { return *this *= rhs.pow(mod - 2); }
    constexpr modint pow(u64 exp) const noexcept {
        modint self(*this), res(1);
        while (exp > 0) {
            if (exp & 1) res *= self;
            self *= self;
            exp >>= 1;
        }
        return res;
    }
    constexpr modint& operator++() noexcept {
        if (++v == mod) v = 0;
        return *this;
    }
    constexpr modint& operator--() noexcept {
        if (v == 0) v = mod;
        return --v, *this;
    }
    constexpr modint operator++(int) noexcept {
        modint t = *this;
        return ++*this, t;
    }
    constexpr modint operator--(int) noexcept {
        modint t = *this;
        return --*this, t;
    }
    constexpr modint operator-() const noexcept { return modint(mod - v); }
    template <class T> friend constexpr modint operator+(T x, modint y) noexcept { return modint(x) + y; }
    template <class T> friend constexpr modint operator-(T x, modint y) noexcept { return modint(x) - y; }
    template <class T> friend constexpr modint operator*(T x, modint y) noexcept { return modint(x) * y; }
    template <class T> friend constexpr modint operator/(T x, modint y) noexcept { return modint(x) / y; }
    constexpr bool operator==(const modint& rhs) const noexcept { return v == rhs.v; }
    constexpr bool operator!=(const modint& rhs) const noexcept { return v != rhs.v; }
    constexpr bool operator!() const noexcept { return !v; }
    friend istream& operator>>(istream& s, modint& rhs) noexcept {
        i64 v;
        rhs = modint{(s >> v, v)};
        return s;
    }
    friend ostream& operator<<(ostream& s, const modint& rhs) noexcept { return s << rhs.v; }
};

/**
 * @brief BitMatrix
 * @docs docs/datastructure/BitMatrix.md
 */
template <size_t MAX_COL> struct BitMatrix {
    int n, m;
    vector<bitset<MAX_COL>> A;
    BitMatrix(int n) : n(n), m(MAX_COL), A(n) {}
    const bitset<MAX_COL>& operator[](int k) const { return A[k]; }
    bitset<MAX_COL>& operator[](int k) { return A[k]; }
    int gauss_jordan(int extended = 0) {
        int rank = 0;
        for (int j = 0; j < m - extended; j++) {
            int pivot = -1;
            for (int i = rank; i < n; i++) {
                if (A[i][j]) {
                    pivot = i;
                    break;
                }
            }
            if (pivot == -1) continue;
            swap(A[pivot], A[rank]);
            for (int i = 0; i < n; i++) {
                if (i != rank && A[i][j]) {
                    A[i] ^= A[rank];
                }
            }
            rank++;
        }
        return rank;
    }
    pair<int, vector<int>> linear_equation(const vector<int>& b) {
        assert(n == (int)b.size());
        for (int i = 0; i < n; i++) A[i][m] = b[i];
        int rank = gauss_jordan(1);
        for (int i = rank; i < n; i++) {
            if (A[i][m]) {
                return {-1, vector<int>{}};
            }
        }
        vector<int> res(m, 0);
        for (int i = 0; i < rank; i++) res[i] = A[i][m];
        return {rank, res};
    }
};

const int INF = 1e9;
const long long IINF = 1e18;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
const char dir[4] = {'D', 'R', 'U', 'L'};
const long long MOD = 1000000007;
// const long long MOD = 998244353;

const int MAX_LOG = 30, MAX_N = 305;
using BM = BitMatrix<MAX_N>;
using mint = modint<MOD>;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N, M, X;
    cin >> N >> M >> X;
    BM A(MAX_LOG + MAX_N);
    vector<int> b(MAX_LOG + MAX_N);
    for (int i = 0; i < MAX_LOG; i++, X >>= 1) b[i] = X & 1;
    for (int i = 0; i < N; i++) {
        int a;
        cin >> a;
        for (int j = 0; j < MAX_LOG; j++, a >>= 1) A[j][i] = a & 1;
    }
    for (int i = 0; i < M; i++) {
        int t, l, r;
        cin >> t >> l >> r;
        for (int j = --l; j < r; j++) A[MAX_LOG + i][j] = 1;
        b[MAX_LOG + i] = t;
    }

    int rank = A.linear_equation(b).first;
    if (rank == -1) {
        cout << 0 << '\n';
        return 0;
    }
    mint ans = mint(2).pow(N - rank);
    cout << ans << '\n';
    return 0;
}
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