結果
問題 | No.1078 I love Matrix Construction |
ユーザー |
|
提出日時 | 2020-06-12 22:59:55 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 429 ms / 2,000 ms |
コード長 | 7,960 bytes |
コンパイル時間 | 3,923 ms |
コンパイル使用メモリ | 229,168 KB |
最終ジャッジ日時 | 2025-01-11 02:54:18 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
#pragma GCC optimize ("O3")#include "bits/stdc++.h"using namespace std;using ll = long long int;#define all(v) (v).begin(),(v).end()#define repeat(cnt,l) for(typename remove_const<typename remove_reference<decltype(l)>::type>::type cnt={};(cnt)<(l);++(cnt))#define rrepeat(cnt,l) for(auto cnt=(l)-1;0<=(cnt);--(cnt))#define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt))#define diterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);--(cnt))const long long MD = 1000000007ll; const long double PI = 3.1415926535897932384626433832795L;template<typename T1, typename T2> inline ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << '(' << p.first << ':' << p.second << ')';return o; }template<typename T> inline T& chmax(T& to, const T& val) { return to = max(to, val); }template<typename T> inline T& chmin(T& to, const T& val) { return to = min(to, val); }void bye(string s, int code = 0) { cout << s << endl; exit(code); }mt19937_64 randdev(8901016);template<typename T, typename Random = decltype(randdev), typename enable_if<is_integral<T>::value>::type* = nullptr>inline T rand(T l, T h, Random& rand = randdev) { return uniform_int_distribution<T>(l, h)(rand); }template<typename T, typename Random = decltype(randdev), typename enable_if<is_floating_point<T>::value>::type* = nullptr>inline T rand(T l, T h, Random& rand = randdev) { return uniform_real_distribution<T>(l, h)(rand); }template <typename I>struct MyRangeFormat{ I b,e; MyRangeFormat(I _b, I _e):b(_b),e(_e){} };template<typename I>static ostream& operator<<(ostream& o, const MyRangeFormat<I>& f) {o << "[ "; iterate(i,f.b,f.e) o<<*i<<' ';return o << ']';}template <typename I>struct MyMatrixFormat{const I& p; long long n, m;MyMatrixFormat(const I& _p, long long _n, long long _m):p(_p),n(_n),m(_m){}};template<typename I>static ostream& operator<<(ostream& o, const MyMatrixFormat<I>& f) {o<<'\n';repeat(i,(f.n)) {repeat(j,f.m) o<<f.p[i][j]<<' ';o<<'\n';}return o;}struct LOG_t { ~LOG_t() { cout << endl; } };#define LOG (LOG_t(),cout<<'L'<<__LINE__<<": ")#define FMTA(m,w) (MyRangeFormat<decltype(m+0)>(m,m+w))#define FMTR(b,e) (MyRangeFormat<decltype(e)>(b,e))#define FMTV(v) FMTR(v.begin(),v.end())#define FMTM(m,h,w) (MyMatrixFormat<decltype(m+0)>(m,h,w))#if defined(_WIN32) || defined(_WIN64)#define getc_x _getc_nolock#define putc_x _putc_nolock#elif defined(__GNUC__)#define getc_x getc_unlocked#define putc_x putc_unlocked#else#define getc_x getc#define putc_x putc#endifclass MaiScanner {FILE* fp_;constexpr bool isvisiblechar(char c) noexcept { return (0x21<=(c)&&(c)<=0x7E); }public:inline MaiScanner(FILE* fp):fp_(fp){}template<typename T> void input_integer(T& var) noexcept {var = 0; T sign = 1;int cc = getc_x(fp_);for (; cc < '0' || '9' < cc; cc = getc_x(fp_))if (cc == '-') sign = -1;for (; '0' <= cc && cc <= '9'; cc = getc_x(fp_))var = (var << 3) + (var << 1) + cc - '0';var = var * sign;}inline int c() noexcept { return getc_x(fp_); }template<typename T, typename enable_if<is_integral<T>::value, nullptr_t>::type = nullptr>inline MaiScanner& operator>>(T& var) noexcept { input_integer<T>(var); return *this; }inline MaiScanner& operator>>(string& var) {int cc = getc_x(fp_);for (; !isvisiblechar(cc); cc = getc_x(fp_));for (; isvisiblechar(cc); cc = getc_x(fp_))var.push_back(cc);return *this;}template<typename IT> inline void in(IT begin, IT end) { for (auto it = begin; it != end; ++it) *this >> *it; }};class MaiPrinter {FILE* fp_;public:inline MaiPrinter(FILE* fp):fp_(fp){}template<typename T>void output_integer(T var) noexcept {if (var == 0) { putc_x('0', fp_); return; }if (var < 0)putc_x('-', fp_),var = -var;char stack[32]; int stack_p = 0;while (var)stack[stack_p++] = '0' + (var % 10),var /= 10;while (stack_p)putc_x(stack[--stack_p], fp_);}inline MaiPrinter& operator<<(char c) noexcept { putc_x(c, fp_); return *this; }template<typename T, typename enable_if<is_integral<T>::value, nullptr_t>::type = nullptr>inline MaiPrinter& operator<<(T var) noexcept { output_integer<T>(var); return *this; }inline MaiPrinter& operator<<(char* str_p) noexcept { while (*str_p) putc_x(*(str_p++), fp_); return *this; }inline MaiPrinter& operator<<(const string& str) {const char* p = str.c_str();const char* l = p + str.size();while (p < l) putc_x(*p++, fp_);return *this;}template<typename IT> void join(IT begin, IT end, char sep = ' ') { for (bool b = 0; begin != end; ++begin, b = 1) b ? *this << sep << *begin :*this << *begin; }};MaiScanner scanner(stdin);MaiPrinter printer(stdout);// 自作ライブラリがバグってて切れた// https://yukicoder.me/submissions/142141// https://yukicoder.me/submissions/392683//BEGIN CUT HEREstruct SCC{vector<vector<int> > G,R,T,C;vector<int> vs,used,blg;SCC(){}SCC(int n):G(n),R(n),used(n),blg(n){}void add_edge(int u,int v){G[u].emplace_back(v);R[v].emplace_back(u);}void dfs(int v){used[v]=1;for(int u:G[v])if(!used[u]) dfs(u);vs.emplace_back(v);}void rdfs(int v,int k){used[v]=1;blg[v]=k;C[k].emplace_back(v);for(int u:R[v])if(!used[u]) rdfs(u,k);}int build(){int n=G.size();for(int v=0;v<n;v++)if(!used[v]) dfs(v);fill(used.begin(),used.end(),0);int k=0;for(int i=n-1;i>=0;i--){if(!used[vs[i]]){T.emplace_back();C.emplace_back();rdfs(vs[i],k++);}}for(int v=0;v<n;v++)for(int u:G[v])if(blg[v]!=blg[u])T[blg[v]].push_back(blg[u]);for(int i=0;i<k;i++){sort(T[i].begin(),T[i].end());T[i].erase(unique(T[i].begin(),T[i].end()),T[i].end());}return k;}int operator[](int k) const{return blg[k];};};//END CUT HERE//BEGIN CUT HEREstruct TwoSat{int n;SCC scc;TwoSat(int n):n(n),scc(n*2){}int negate(int v){return (n+v)%(n*2);}void add_if(int u,int v){// u -> v <=> !v -> !uscc.add_edge(u,v);scc.add_edge(negate(v),negate(u));}void add_or(int u,int v){// u or v <=> !u -> vadd_if(negate(u),v);}void add_nand(int u,int v){// u nand v <=> u -> !vadd_if(u,negate(v));}void set_true(int v){// v <=> !v -> vscc.add_edge(negate(v),v);}void set_false(int v){// !v <=> v -> !vscc.add_edge(v,negate(v));}vector<int> build(){scc.build();vector<int> res(n);for(int i=0;i<n;i++){if(scc[i]==scc[n+i]) return {};res[i]=scc[i]>scc[n+i];}return res;}};//int N;int S[505];int T[505];int U[505];//inline int cv(int y, int x) noexcept {return y*N+x;}int main() {scanner >> N;scanner.in(S, S+N);scanner.in(T, T+N);scanner.in(U, U+N);TwoSat sat(N*N);repeat(i, N) {int s = S[i]-1;int t = T[i]-1;int u = U[i];// int x = (u&1) ? -1 : 1;// int y = (u&2) ? -1 : 1;repeat(j, N) {// LOG << s << ' ' << j;// LOG << j << ' ' << t;// LOG << u;// sat.emplace(x*(cv(s,j)+1), y*(cv(j,t)+1));int x = (cv(s,j));int y = (cv(j,t));if (u&1) x = sat.negate(x);if (u&2) y = sat.negate(y);sat.add_or(x, y);}}// vector<bool> result;// if (!sat.solve(result)) bye("-1");auto res = sat.build();if (res.empty()) bye("-1");repeat(i, N) {repeat(j, N) {printer << (int)res[i*N+j] << ' ';}printer << '\n';}// repeat(i, N) {// int s = S[i]-1;// int t = T[i]-1;// int u = U[i];// int x = (u&1) ? -1 : 1;// int y = (u&2) ? -1 : 1;// repeat(j, N) {// LOG << res[cv(s,j)+1] + res[cv(j,t)+1] - u;// }// }return 0;}