結果
問題 | No.1426 Got a Covered OR |
ユーザー | momohara |
提出日時 | 2021-03-25 00:16:29 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 33 ms / 2,000 ms |
コード長 | 6,212 bytes |
コンパイル時間 | 2,300 ms |
コンパイル使用メモリ | 219,472 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-05-05 05:35:29 |
合計ジャッジ時間 | 3,414 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 1 ms
5,376 KB |
testcase_02 | AC | 1 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 | AC | 2 ms
5,376 KB |
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 | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 11 ms
5,376 KB |
testcase_13 | AC | 17 ms
5,376 KB |
testcase_14 | AC | 13 ms
5,376 KB |
testcase_15 | AC | 12 ms
5,376 KB |
testcase_16 | AC | 3 ms
5,376 KB |
testcase_17 | AC | 3 ms
5,376 KB |
testcase_18 | AC | 15 ms
5,376 KB |
testcase_19 | AC | 15 ms
5,376 KB |
testcase_20 | AC | 6 ms
5,376 KB |
testcase_21 | AC | 9 ms
5,376 KB |
testcase_22 | AC | 33 ms
5,376 KB |
testcase_23 | AC | 23 ms
5,376 KB |
testcase_24 | AC | 13 ms
5,376 KB |
testcase_25 | AC | 20 ms
5,376 KB |
testcase_26 | AC | 21 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; using P = pair<ll, ll>; using tp = tuple<ll, ll, ll>; template <class T> using vec = vector<T>; template <class T> using vvec = vector<vec<T>>; #define all(hoge) (hoge).begin(), (hoge).end() #define en '\n' #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) constexpr long long INF = 1LL << 60; constexpr int INF_INT = 1 << 25; constexpr long long MOD = (ll)1e9 + 7; //constexpr long long MOD = 998244353LL; static const ld pi = 3.141592653589793L; #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; } //グラフ関連 struct Edge { int to, rev; ll cap; Edge(int _to, ll _cap, int _rev) : to(_to), cap(_cap), rev(_rev) {} }; typedef vector<Edge> Edges; typedef vector<Edges> Graph; void add_edge(Graph &G, int from, int to, ll cap, bool revFlag, ll revCap) { G[from].push_back(Edge(to, cap, (int)G[to].size())); if(revFlag) G[to].push_back(Edge(from, revCap, (int)G[from].size() - 1)); } 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>; template <class T> struct Combination { vector<T> fact_, inv_, finv_; constexpr Combination() {} constexpr Combination(int n) noexcept : fact_(n, 1), inv_(n, 1), finv_(n, 1) { init(n + 1); } constexpr void init(int n) noexcept { fact_.assign(n, 1), inv_.assign(n, 1), finv_.assign(n, 1); int MOD = fact_[0].get_mod(); for(int i = 2; i < n; i++) { fact_[i] = fact_[i - 1] * i; inv_[i] = -inv_[MOD % i] * (MOD / i); finv_[i] = finv_[i - 1] * inv_[i]; } } constexpr T nPr(int n, int k) const noexcept { if(n < k || n < 0 || k < 0) return 0; return fact_[n] * finv_[n - k]; } constexpr T nCr(int n, int k) const noexcept { if(n < k || n < 0 || k < 0) return 0; return fact_[n] * finv_[k] * finv_[n - k]; } constexpr T nHr(int n, int k) const noexcept { if(n <= 0 || k < 0) return 0; return nCr(n + k - 1, k); } constexpr T fact(int n) const noexcept { if(n < 0) return 0; return fact_[n]; //n! } constexpr T inv(int n) const noexcept { if(n < 0) return 0; return inv_[n]; //1/n } constexpr T finv(int n) const noexcept { if(n < 0) return 0; return finv_[n]; //1/n! } }; void solve() { int n; cin >> n; vec<int> b(n); REP(i, n) { cin >> b[i]; } Combination<mint> com(n + 1); int pre = -1; vec<bool> used(30, false); if(b[n - 1] == -1) b[n - 1] = (1LL << 30) - 1; ll st = 0; mint ans = 1; REP(i, n) { if(b[i] == -1) continue; ll nxt = 0; REP(j, 30) { if(b[i] >> j & 1) { if(!used[j]) { used[j] = true; nxt++; } } else { if(used[j]) { cout << 0 << en; return; } } } if(nxt) { int con = i - pre; mint tmp = 0; rep(k, 0, con) { ll ret = con - k; if(k % 2) { tmp -= com.nCr(con, k) * mint(2).pow(st).pow(ret) * (mint(2).pow(ret) - 1).pow(nxt); } else { tmp += com.nCr(con, k) * mint(2).pow(st).pow(ret) * (mint(2).pow(ret) - 1).pow(nxt); } } ans *= tmp; } else { ans *= (mint(2).pow(st) - 1).pow(i - pre); } st += nxt; pre = 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; }