結果
問題 | No.2134 $\sigma$-algebra over Finite Set |
ユーザー | hamath |
提出日時 | 2022-11-25 23:34:15 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 8,379 bytes |
コンパイル時間 | 2,848 ms |
コンパイル使用メモリ | 226,484 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-10-02 06:03:49 |
合計ジャッジ時間 | 4,101 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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | AC | 5 ms
6,820 KB |
testcase_07 | AC | 5 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,824 KB |
ソースコード
#ifdef LOCAL #define _GLIBCXX_DEBUG #else #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //#pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl") #endif #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll, ll> P; typedef pair<int, int> Pi; typedef vector<ll> Vec; typedef vector<int> Vi; typedef vector<string> Vs; typedef vector<char> Vc; typedef vector<P> VP; typedef vector<VP> VVP; typedef vector<Vec> VV; typedef vector<Vi> VVi; typedef vector<Vc> VVc; typedef vector<VV> VVV; typedef vector<VVV> VVVV; #define MAKEVV(variable, a, ...) VV variable(a, Vec(__VA_ARGS__)) #define MAKEVVc(variable, a, ...) VVc variable(a,Vc(__VA_ARGS__)) #define MAKEVVV(variable, a, b, ...) VVV variable(a, VV(b, Vec(__VA_ARGS__))) #define MAKEVVVV(variable, a, b, c, ...) VVVV variable(a, VVV(b, (VV(c, Vec(__VA_ARGS__))))) #define endl '\n' #define REP(i, a, b) for(ll i=(a); i<(b); i++) #define PER(i, a, b) for(ll i=(a); i>=(b); i--) #define rep(i, n) REP(i, 0, n) #define per(i, n) PER(i, n, 0) const ll INF = 4'000'000'000'000'000'010LL; const ll MOD=998244353; #define Yes(n) cout << ((n) ? "Yes" : "No") << endl; #define YES(n) cout << ((n) ? "YES" : "NO") << endl; #define ALL(v) v.begin(), v.end() #define rALL(v) v.rbegin(), v.rend() #define pb(x) push_back(x) #define mp(a, b) make_pair(a,b) #define Each(a,b) for(auto &a :b) #define rEach(i, mp) for (auto i = mp.rbegin(); i != mp.rend(); ++i) #define SUM(a) accumulate(ALL(a),0LL) #ifdef LOCAL #define dbg(x_) cerr << #x_ << ":" << x_ << endl; #define dbgmap(mp) cerr << #mp << ":"<<endl; for (auto i = mp.begin(); i != mp.end(); ++i) { cerr << i->first <<":"<<i->second << endl;} #define dbgset(st) cerr << #st << ":"<<endl; for (auto i = st.begin(); i != st.end(); ++i) { cerr << *i <<" ";}cerr<<endl; #define dbgarr(n,m,arr) rep(iii,n){rep(jjj,m){cerr<<arr[iii][jjj]<<" ";}cerr<<endl;} #define dbgdp(n,arr) rep(iii,n){cerr<<arr[iii]<<" ";}cerr<<endl; #else #define dbg(...) #define dbgmap(...) #define dbgset(...) #define dbgarr(...) #define dbgdp(...) #endif #define out(a) cout<<a<<endl #define outminusone(a) cout<< ( a==INF ? -1 : a ) <<endl #define out2(a,b) cout<<a<<" "<<b<<endl #define vout(v) rep(i,v.size()){cout<<v[i]<<" ";}cout<<endl #define Uniq(v) v.erase(unique(v.begin(), v.end()), v.end()) #define fi first #define se second template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; } template<class T>auto lb(T &X, ll x){return lower_bound(ALL(X),x) - X.begin();} template<class T>auto ub(T &X, ll x){return upper_bound(ALL(X),x) - X.begin();} ll popcnt(ll x){return __builtin_popcount(x);} ll topbit(ll t){return t==0?-1:63-__builtin_clzll(t);} ll floor(ll y,ll x){assert(x != 0);if(x < 0){y *= -1; x *= -1;}if(y < 0){return (y-x+1)/x;}return y/x;}; ll ceil(ll y, ll x){assert(x != 0);if(x < 0){y *= -1; x *= -1;}if(y < 0){return y/x;}return (y+x-1)/x;}; template<typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &p) { return s<<"("<<p.first<<", "<<p.second<<")"; } template<typename T1, typename T2> istream &operator>>(istream &i, pair<T1, T2> &p) { return i>>p.first>>p.second; } template<typename T>istream& operator>>(istream&i,vector<T>&v) {rep(j,v.size())i>>v[j];return i;} // vector template<typename T> ostream &operator<<(ostream &s, const vector<T> &v) { int len=v.size(); for(int i=0; i<len; ++i) { s<<v[i]; if(i<len-1) s<<" "; } return s; } // 2 dimentional vector template<typename T> ostream &operator<<(ostream &s, const vector<vector<T> > &vv) { s<<endl; int len=vv.size(); for(int i=0; i<len; ++i) { s<<vv[i]<<endl; } return s; } //mint struct mint { ll x; // typedef long long ll; 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;} bool operator==(const mint a) const { return x == a.x;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll n) const { mint x = *this, r = 1; while (n) { if (n & 1) r *= x; x *= x; n >>= 1; } return r; } // for prime MOD mint inv() const { return pow(MOD-2);} mint& operator/=(const mint& a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} typedef vector<mint> Vmint; typedef vector<Vmint> VVmint; typedef vector<VVmint> VVVmint; typedef vector<VVVmint> VVVVmint; #define MAKEVVmint(variable, a, ...) VVmint variable(a,Vmint(__VA_ARGS__)) #define MAKEVVVmint(variable, a, b, ...) VVVmint variable(a, VVmint(b, Vmint(__VA_ARGS__))) #define MAKEVVVVmint(variable, a, b, c, ...) VVVVmint variable(a, VVVmint(b, (VVmint(c, Vmint(__VA_ARGS__))))) struct combination { vector<mint> fact, ifact; combination(int n):fact(n+1),ifact(n+1) { assert(n < MOD); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } }; struct CompareBitset{ Vec v; ll size; using C = CompareBitset; CompareBitset(ll n):size((n+63)/64){ v.resize(size); } void orbit(ll x){ v[x/64] |= (1<<(x%64)); } void xorbit(ll x){ v[x/64] ^= (1<<(x%64)); } void andbit(ll x){ v[x/64] &= (1<<(x%64)); } C operator ^(const C& d) const{ C res = C(0); res.v.resize(size); rep(i,size){ ll x = v[i] ^ d.v[i]; res.v[i] = v[i] ^ d.v[i]; } return res; } C operator |(const C& d) const{ C res = C(size); rep(i,size){ res.v[i] = v[i] | d.v[i]; } return res; } C operator &(const C& d) const{ C res = C(size); rep(i,size){ res.v[i] = v[i] & d.v[i]; } return res; } bool operator<(const C& d) const { per(i,size-1){ if(v[i] < d.v[i]){ return true; } } return false; }; bool operator == (const C& d) const { per(i,size-1){ if(v[i] != d.v[i]){ return false; } } return true; }; }; ostream& operator<<(ostream& os, const CompareBitset& a) { return os << a.v;} int solve(){ ll n; cin>>n; ll m; cin>>m; /* * よい集合とは? * P(X) を X の部分集合全体として * Pの部分集合である。 * * A ∈ Sなら A^c ∈ S つまり、補集合も集合に含まれている。 * A,B ∈ Sなら、 A U B ∈ S * A_1,A_2,........A_m ∈ S * 空集合 ∈ S */ vector<CompareBitset> g(m+1, CompareBitset(1000)); rep(i,m){ ll l;cin>>l; rep(j,l){ ll x; cin>>x; x--; //g[i][x] = 1; g[i].orbit(x); } } rep(i,n){ g[m].orbit(i); } rep(i,n){ dbg(g[i]); } vector<CompareBitset> base; CompareBitset I(1000); Each(v, g) { Each(e, base) { //vをmin(v, v^e)に更新する v = min(v, v ^ e); } if(v == I)continue; base.pb(v); } dbg(base); mint ans = mint(2).pow(base.size()); out(ans); return 0; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); cout<<std::setprecision(20); // ll T; // cin>>T; // while(T--) solve(); }