結果
問題 | No.1078 I love Matrix Construction |
ユーザー |
|
提出日時 | 2020-06-13 00:11:18 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 216 ms / 2,000 ms |
コード長 | 5,420 bytes |
コンパイル時間 | 2,785 ms |
コンパイル使用メモリ | 204,480 KB |
最終ジャッジ日時 | 2025-01-11 03:18:30 |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; #define ALL(obj) (obj).begin(),(obj).end() #define SPEED cin.tie(0);ios::sync_with_stdio(false); template<class T> using PQ = priority_queue<T>; template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>; constexpr long long MOD = (long long)1e9 + 7; constexpr long long MOD2 = 998244353; constexpr long long HIGHINF = (long long)1e18; constexpr long long LOWINF = (long long)1e15; constexpr long double PI = 3.1415926535897932384626433L; template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);} template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));} template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}} template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print(void) {cout << endl;} template <class Head> void print(Head&& head) {cout << head;print();} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} template <class T> void chmax(T& a, const T b){a=max(a,b);} template <class T> void chmin(T& a, const T b){a=min(a,b);} void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;} void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;} void yn(bool flg) {cout << (flg ? "yes" : "rev") << endl;} #include <iostream> #include <vector> #include <algorithm> using namespace std; class StronglyConnectedComponents{ int num,is_2sat,half; vector<vector<int>> edge,redge; vector<int> label,visited,order; inline void dfs(int curr){ visited[curr] = 1; for(int next:edge[curr]) if(!visited[next]) dfs(next); order.push_back(curr); } inline void rdfs(int curr,int id){ visited[curr] = 1; label[curr] = id; for(int next:redge[curr]) if(!visited[next]) rdfs(next,id); } inline int rev(int i) { return i < half ? i + half : i - half; } public: StronglyConnectedComponents(const int n, bool is_2sat=0):num(n),is_2sat(is_2sat){ if(is_2sat) num*=2; edge.resize(num); redge.resize(num); label.resize(num); visited.resize(num); half=num/2; } inline int operator[](int idx) { return label[idx]; } inline void make_edge(const int from,const int to) { edge[from].push_back(to); redge[to].push_back(from); } inline void make_condition(int x, bool flg_x, int y, bool flg_y) { if (!flg_x) x = rev(x); if (!flg_y) y = rev(y); make_edge(x, y); make_edge(rev(y), rev(x)); } inline int solve(void) { for(int i = 0; i < num; ++i) visited[i] = 0; for(int i = 0; i < num; ++i) if(!visited[i]) dfs(i); for(int i = 0; i < num; ++i) visited[i] = 0; reverse(order.begin(),order.end()); int id = 0; for(int i:order) if(!visited[i]) rdfs(i,id++); if(!is_2sat) return true; for (int i = 0; i < num; ++i) if (label[i] == label[rev(i)]) return false; return true; } int is_true(int i) { return label[i] > label[rev(i)]; } void print(void) { for(auto id:label) cout << id << " "; cout << endl; } }; int main(void){ int N; cin >> N; //[0,N*N) i番目は0 //[N*N,2*N*N) i番目は1 StronglyConnectedComponents scc(N*N,1); vector<int> S(N),T(N),U(N); for(int i = 0; i < N; ++i) cin >> S[i],S[i]--; for(int i = 0; i < N; ++i) cin >> T[i],T[i]--; for(int i = 0; i < N; ++i) cin >> U[i]; for(int i = 0; i < N; ++i) { for(int j = 0; j < N; ++j) { int a=S[i],b=j,c=j,d=T[i]; int s=a*N+b,t=c*N+d; if(U[i]==0) { //ab=0&&cd=0がだめ scc.make_condition(s,0,t,1); } if(U[i]==1) { //ab=1&&cd=0がだめ scc.make_condition(s,1,t,1); } if(U[i]==2) { //ab=0&&cd=1がだめ scc.make_condition(s,0,t,0); } if(U[i]==3) { //ab=1&&cd=1がだめ scc.make_condition(s,1,t,0); } } } int flg = scc.solve(); corner(!flg,-1); for(int i = 0; i < N; ++i) { for(int j = 0; j < N; ++j) { cout << scc.is_true(i*N+j) << " "; } cout << endl; } return 0; }