結果
問題 | No.1426 Got a Covered OR |
ユーザー | ir5 |
提出日時 | 2024-06-27 02:24:52 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,921 bytes |
コンパイル時間 | 4,006 ms |
コンパイル使用メモリ | 150,280 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-27 02:25:00 |
合計ジャッジ時間 | 6,765 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 683 ms
5,376 KB |
testcase_23 | AC | 51 ms
5,376 KB |
testcase_24 | AC | 31 ms
5,376 KB |
testcase_25 | WA | - |
testcase_26 | AC | 39 ms
5,376 KB |
ソースコード
#include <algorithm> #include <cassert> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <iostream> #include <numeric> #include <vector> #include <map> #include <set> #include <queue> #include <functional> #include <iomanip> using namespace std; using ll = long long; const ll mod = 1000000007; struct mint { ll x; mint(ll x_ = 0) : x((x_ % mod + mod) % mod) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint &a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint &a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint &a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint &a) const { mint res(*this); return res += a; } mint operator-(const mint &a) const { mint res(*this); return res -= a; } mint operator*(const mint &a) const { mint res(*this); return res *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } mint inv() const { return pow(mod - 2); } mint &operator/=(const mint &a) { return (*this) *= a.inv(); } mint operator/(const mint &a) const { mint res(*this); return res /= a; } auto operator<=>(const mint&) const = default; friend ostream &operator<<(ostream &os, const mint &m) { os << m.x; return os; } friend istream &operator>>(istream &is, mint &m) { is >> m.x; return is; } }; class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n; public:range(int n_):i({0}),n({n_}){}range(int i_,int n_):i({i_}),n({n_}){}I& begin(){return i;}I& end(){return n;}}; vector<mint> fact, invfact; void prepare(int n) { fact.resize(n + 1); invfact.resize(n + 1); fact[0] = 1; for (int i : range(n)) fact[i + 1] = fact[i] * (i + 1); for (int i : range(n + 1)) invfact[i] = fact[i].inv(); } mint combin(int n, int r) { if (r > n) return mint(0); return fact[n] * invfact[r] * invfact[n - r]; } template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> void take(vector<T>& vec, int n) { vec.resize(n); for (int i = 0; i < n; ++i) cin >> vec[i]; } #ifdef ONLINE_JUDGE #define dump(expr) ; #else #define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; } #endif namespace solver { template<typename T1, typename T2> struct In2 { T1 a; T2 b; friend std::istream& operator>>(std::istream& is, In2& obj) { T1 t1; T2 t2; is >> t1 >> t2; obj = {t1, t2}; return is; } }; template<typename T1, typename T2, typename T3> struct In3 { T1 a; T2 b; T3 c; friend std::istream& operator>>(std::istream& is, In3& obj) { T1 t1; T2 t2; T3 t3; is >> t1 >> t2 >> t3; obj = {t1, t2, t3}; return is; } }; int n; vector<int> vs; void read() { cin >> n; take(vs, n); } using RetType = mint; RetType run() { prepare(60); vector<pair<int, int>> segs; // (B[i], len[i]) { int len = 0, prev = 0; for (int i : range(n)) { len++; if (vs[i] >= 0) { if ((prev | vs[i]) != vs[i]) { dump("broken"); return 0; } segs.emplace_back(vs[i], len); len = 0; prev = vs[i]; } } } mint res = 1; int prev = 0; for (auto [b, len] : segs) { int target = __builtin_popcount(b); if (target == prev) { res *= mint(2).pow(target).pow(len) - 1; continue; } // dp vector<mint> dp(target + 1); dp[prev] = 1; dump(len << " " << prev << " -> " << target) for ([[maybe_unused]] int it : range(len)) { vector<mint> next(target + 1); for (int fr : range(prev, target + 1)) for (int to : range(fr, target + 1)) { mint ways = mint(2).pow(fr) * combin(target - fr, to - fr); if (fr == to) ways -= 1; next[to] += dp[fr] * ways; } dp.swap(next); dump(dp); } res *= dp[target]; prev = target; } return res; } } // namespace template <typename F> void run(F f) { if constexpr (std::is_same_v<decltype(f()), void>) f(); else cout << f() << endl; } int main(int argc, char** argv) { cerr << fixed << setprecision(12); cout << fixed << setprecision(12); int testcase = 1; if (argc > 1) testcase = atoi(argv[1]); while (testcase--) { solver::read(); } run(solver::run); }