結果

問題 No.1078 I love Matrix Construction
ユーザー mai
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
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ソースコード

diff #
プレゼンテーションモードにする

#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
#endif
class 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);
//
// https://yukicoder.me/submissions/142141
// https://yukicoder.me/submissions/392683
//BEGIN CUT HERE
struct 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 HERE
struct 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 -> !u
scc.add_edge(u,v);
scc.add_edge(negate(v),negate(u));
}
void add_or(int u,int v){
// u or v <=> !u -> v
add_if(negate(u),v);
}
void add_nand(int u,int v){
// u nand v <=> u -> !v
add_if(u,negate(v));
}
void set_true(int v){
// v <=> !v -> v
scc.add_edge(negate(v),v);
}
void set_false(int v){
// !v <=> v -> !v
scc.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;
}
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