結果

問題 No.1078 I love Matrix Construction
ユーザー ningenMeningenMe
提出日時 2020-06-12 22:10:21
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
RE  
実行時間 -
コード長 5,112 bytes
コンパイル時間 1,976 ms
コンパイル使用メモリ 208,784 KB
実行使用メモリ 50,124 KB
最終ジャッジ日時 2023-09-06 10:31:15
合計ジャッジ時間 7,058 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge15
このコードへのチャレンジ
（要ログイン）

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 RE -
testcase_01 AC 2 ms
4,376 KB
testcase_02 AC 17 ms
10,272 KB
testcase_03 AC 43 ms
21,356 KB
testcase_04 AC 63 ms
27,900 KB
testcase_05 RE -
testcase_06 AC 15 ms
10,108 KB
testcase_07 AC 6 ms
6,040 KB
testcase_08 AC 54 ms
24,032 KB
testcase_09 RE -
testcase_10 AC 170 ms
50,124 KB
testcase_11 AC 73 ms
29,256 KB
testcase_12 AC 122 ms
41,836 KB
testcase_13 AC 144 ms
46,780 KB
testcase_14 AC 85 ms
33,764 KB
testcase_15 AC 132 ms
44,536 KB
testcase_16 RE -
testcase_17 RE -
testcase_18 AC 13 ms
8,460 KB
testcase_19 AC 29 ms
14,844 KB
testcase_20 AC 26 ms
14,748 KB
testcase_21 AC 2 ms
4,376 KB
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 # 

#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" : "no") << endl;}

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

class StronglyConnectedComponents{
	int nodeNum;
	vector<vector<int>> edge,revEdge;

	vector<int> label,visited,order;

	void dfs(int curr){
		visited[curr] = 1;
		for(int next:edge[curr]) if(!visited[next]) dfs(next);
		order.push_back(curr);
	}

	void revDfs(int curr,int labelId){
		visited[curr] = 1;
		label[curr] = labelId;
		for(int next:revEdge[curr]) if(!visited[next]) revDfs(next,labelId);
	}

public:

	StronglyConnectedComponents(const int& nodeNum) : 
	nodeNum(nodeNum), edge(nodeNum), revEdge(nodeNum), label(nodeNum), visited(nodeNum) {
		// do nothing        
	}

	int operator[](int idx) {
		return label[idx];
	}

	void makeEdge(const int from,const int to) {
		edge[from].push_back(to);
		revEdge[to].push_back(from);
	}

	void solve(void) {
		for(int i = 0; i < nodeNum; ++i) visited[i] = 0;
		for(int i = 0; i < nodeNum; ++i) if(!visited[i]) dfs(i);
		for(int i = 0; i < nodeNum; ++i) visited[i] = 0;
		reverse(order.begin(),order.end());
		int labelId = 0;
		for(int i:order) if(!visited[i]) revDfs(i,labelId++);
	}

	void print(void) {
		for(auto labelId:label) cout << labelId << " ";
		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(2*N*N);
    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.makeEdge(s,t+N*N);
                scc.makeEdge(t,s+N*N);
            }
            if(U[i]==1) {
                //ab=1&&cd=0がだめ
                scc.makeEdge(s+N*N,t+N*N);
                scc.makeEdge(t,s);
            }
            if(U[i]==2) {
                //ab=0&&cd=1がだめ
                scc.makeEdge(s,t);
                scc.makeEdge(t+N*N,s+N*N);
            }
            if(U[i]==3) {
                //ab=1&&cd=1がだめ
                scc.makeEdge(s+N*N,t);
                scc.makeEdge(t+N*N,s);
            }
        }
    }
    scc.solve();
	int flg = 1;
	for(int i = 0; i < N*N; ++i) if(scc[i]==scc[i+N*N]) flg = 0;
    corner(!flg,-1);
    // for(int i = 0; i < N; ++i) {
    //     for(int j = 0; j < N; ++j) {
    //         cout << scc[i*N+j] << " ";
    //     }
    //     cout << endl;
    // }
    assert(false);

	return 0;
}
0