結果

問題 No.1078 I love Matrix Construction
ユーザー maroon_kuri
提出日時 2020-06-12 21:30:44
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 316 ms / 2,000 ms
コード長 6,126 bytes
コンパイル時間 3,303 ms
コンパイル使用メモリ 208,180 KB
最終ジャッジ日時 2025-01-11 02:14:28
ジャッジサーバーID
(参考情報)
judge1 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 22
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
//#define int ll
#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,b) rng(i,0,b)
#define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define per(i,b) gnr(i,0,b)
#define pb push_back
#define eb emplace_back
#define a first
#define b second
#define bg begin()
#define ed end()
#define all(x) x.bg,x.ed
#define si(x) int(x.size())
#ifdef LOCAL
#define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl
#else
#define dmp(x) void(0)
#endif
template<class t,class u> void chmax(t&a,u b){if(a<b)a=b;}
template<class t,class u> void chmin(t&a,u b){if(b<a)a=b;}
template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;
using pi=pair<int,int>;
using vi=vc<int>;
template<class t,class u>
ostream& operator<<(ostream& os,const pair<t,u>& p){
return os<<"{"<<p.a<<","<<p.b<<"}";
}
template<class t> ostream& operator<<(ostream& os,const vc<t>& v){
os<<"{";
for(auto e:v)os<<e<<",";
return os<<"}";
}
#define mp make_pair
#define mt make_tuple
#define one(x) memset(x,-1,sizeof(x))
#define zero(x) memset(x,0,sizeof(x))
#ifdef LOCAL
void dmpr(ostream&os){os<<endl;}
template<class T,class... Args>
void dmpr(ostream&os,const T&t,const Args&... args){
os<<t<<" ";
dmpr(os,args...);
}
#define dmp2(...) dmpr(cerr,__LINE__,##__VA_ARGS__)
#else
#define dmp2(...) void(0)
#endif
using uint=unsigned;
using ull=unsigned long long;
template<class t,size_t n>
ostream& operator<<(ostream&os,const array<t,n>&a){
return os<<vc<t>(all(a));
}
template<int i,class T>
void print_tuple(ostream&,const T&){
}
template<int i,class T,class H,class ...Args>
void print_tuple(ostream&os,const T&t){
if(i)os<<",";
os<<get<i>(t);
print_tuple<i+1,T,Args...>(os,t);
}
template<class ...Args>
ostream& operator<<(ostream&os,const tuple<Args...>&t){
os<<"{";
print_tuple<0,tuple<Args...>,Args...>(os,t);
return os<<"}";
}
template<class t>
void print(t x,int suc=1){
cout<<x;
if(suc==1)
cout<<"\n";
if(suc==2)
cout<<" ";
}
ll read(){
ll i;
cin>>i;
return i;
}
vi readvi(int n,int off=0){
vi v(n);
rep(i,n)v[i]=read()+off;
return v;
}
template<class T>
void print(const vector<T>&v,int suc=1){
rep(i,v.size())
print(v[i],i==int(v.size())-1?suc:2);
}
string readString(){
string s;
cin>>s;
return s;
}
template<class T>
T sq(const T& t){
return t*t;
}
//#define CAPITAL
void yes(bool ex=true){
#ifdef CAPITAL
cout<<"YES"<<"\n";
#else
cout<<"Yes"<<"\n";
#endif
if(ex)exit(0);
}
void no(bool ex=true){
#ifdef CAPITAL
cout<<"NO"<<"\n";
#else
cout<<"No"<<"\n";
#endif
if(ex)exit(0);
}
void possible(bool ex=true){
#ifdef CAPITAL
cout<<"POSSIBLE"<<"\n";
#else
cout<<"Possible"<<"\n";
#endif
if(ex)exit(0);
}
void impossible(bool ex=true){
#ifdef CAPITAL
cout<<"IMPOSSIBLE"<<"\n";
#else
cout<<"Impossible"<<"\n";
#endif
if(ex)exit(0);
}
constexpr ll ten(int n){
return n==0?1:ten(n-1)*10;
}
const ll infLL=LLONG_MAX/3;
#ifdef int
const int inf=infLL;
#else
const int inf=INT_MAX/2-100;
#endif
int topbit(signed t){
return t==0?-1:31-__builtin_clz(t);
}
int topbit(ll t){
return t==0?-1:63-__builtin_clzll(t);
}
int botbit(signed a){
return a==0?32:__builtin_ctz(a);
}
int botbit(ll a){
return a==0?64:__builtin_ctzll(a);
}
int popcount(signed t){
return __builtin_popcount(t);
}
int popcount(ll t){
return __builtin_popcountll(t);
}
bool ispow2(int i){
return i&&(i&-i)==i;
}
ll mask(int i){
return (ll(1)<<i)-1;
}
bool inc(int a,int b,int c){
return a<=b&&b<=c;
}
template<class t> void mkuni(vc<t>&v){
sort(all(v));
v.erase(unique(all(v)),v.ed);
}
ll rand_int(ll l, ll r) { //[l, r]
#ifdef LOCAL
static mt19937_64 gen;
#else
static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());
#endif
return uniform_int_distribution<ll>(l, r)(gen);
}
template<class t>
void myshuffle(vc<t>&a){
rep(i,si(a))swap(a[i],a[rand_int(0,i)]);
}
template<class t>
int lwb(const vc<t>&v,const t&a){
return lower_bound(all(v),a)-v.bg;
}
//s: the number of SCCs.
//bl[i]: SCC to which the vertex i belongs
//idx[i]: list of the vertices in the i-th SCC
//gr: DAG of SCCs
//SCCs are numbered in topological order
//VERIFY: yosupo
//AOJGRL3C(except gr)
template<class t>
struct scc{
const int n;
const vvc<int>&g;
vi ord,low,bl,st;
int s,head;
vvc<int> idx,gr;
void dfs(int v){
ord[v]=low[v]=head++;
st.pb(v);
for(auto to:g[v]){
if(ord[to]==-1){
dfs(to);
chmin(low[v],low[to]);
}else if(bl[to]==-1)
chmin(low[v],ord[to]);
}
if(ord[v]==low[v]){
int c=idx.size();
idx.eb();
while(1){
int a=st.back();
st.pop_back();
bl[a]=c;
idx.back().pb(a);
if(v==a)break;
}
}
}
scc(const vvc<t>&gg,bool cgr=true):n(gg.size()),g(gg),
ord(n,-1),low(n,-1),bl(n,-1){
head=0;
rep(i,n)if(ord[i]==-1)
dfs(i);
s=idx.size();
rep(i,n)
bl[i]=s-1-bl[i];
reverse(all(idx));
//construct the graph
if(cgr){
vc<bool> u(s);
gr.resize(s);
rep(i,s){
for(auto v:idx[i]){
for(auto to:g[v])if(bl[v]<bl[to]){
if(!u[bl[to]])
gr[bl[v]].pb(bl[to]);
u[bl[to]]=1;
}
}
for(auto v:idx[i])
for(auto to:g[v])
u[bl[to]]=0;
}
}
}
};
struct twosat{
int n;
vvc<int> g;
twosat(int nn):n(nn),g(n*2){}
//x/2 x%2 0,1
// x,y
void add(int x,int y){
g[x^1].pb(y);
g[y^1].pb(x);
}
//solve the 2-sat
// 0/1
// {}
vi solve(){
scc<int> s(g,false);
rep(i,n)if(s.bl[i*2]==s.bl[i*2+1])return {};
vi res(n,-1);
per(i,s.s)
for(auto j:s.idx[i])
if(res[j/2]==-1)
res[j/2]=j%2;
return res;
}
};
signed main(){
cin.tie(0);
ios::sync_with_stdio(0);
cout<<fixed<<setprecision(20);
int n;cin>>n;
vi s=readvi(n,-1);
vi t=readvi(n,-1);
vi u=readvi(n);
twosat z(n*n);
rep(i,n){
rep(j,n){
z.add((s[i]*n+j)*2+1-(u[i]&1),(j*n+t[i])*2+1-(u[i]>>1));
}
}
vi ans=z.solve();
if(si(ans)){
rep(i,n)rep(j,n){
print(ans[i*n+j],j==n-1?1:2);
}
}else{
print(-1);
}
}
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