結果
問題 | No.1078 I love Matrix Construction |
ユーザー |
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提出日時 | 2020-06-12 22:55:54 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 250 ms / 2,000 ms |
コード長 | 2,475 bytes |
コンパイル時間 | 798 ms |
コンパイル使用メモリ | 86,064 KB |
実行使用メモリ | 58,436 KB |
最終ジャッジ日時 | 2024-06-24 05:41:21 |
合計ジャッジ時間 | 5,675 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
#include <iostream>#include <cstdio>#include <cmath>#include <ctime>#include <cstdlib>#include <cassert>#include <vector>#include <list>#include <stack>#include <queue>#include <deque>#include <map>#include <set>#include <bitset>#include <string>#include <algorithm>#include <utility>#define llint long long#define inf 1e18#define rep(x, s, t) for(llint (x) = (s); (x) < (t); (x)++)#define Rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++)#define chmin(x, y) (x) = min((x), (y))#define chmax(x, y) (x) = max((x), (y))using namespace std;typedef pair<llint, llint> P;llint n;llint s[505], t[505], u[505];vector<llint> G[600005], revG[600005];vector<int> topo;bool used[600005];int scc[600005], pos[600005];int ans[505][505];void tpsort(int v){used[v] = true;for(int i = 0; i < G[v].size(); i++){if(!used[G[v][i]]) tpsort(G[v][i]);}topo.push_back(v);}void sccdfs(int v, int id){used[v] = true;scc[v] = id;for(int i = 0; i < revG[v].size(); i++){if(!used[revG[v][i]]) sccdfs(revG[v][i], id);}}int main(void){ios::sync_with_stdio(0);cin.tie(0);cin >> n;for(int i = 1; i <= n; i++) cin >> s[i];for(int i = 1; i <= n; i++) cin >> t[i];for(int i = 1; i <= n; i++) cin >> u[i];llint N = (n+1)*n;for(int i = 1; i <= n; i++){for(int j = 1; j <= n; j++){llint S = s[i]*n+j, T = j*n+t[i];llint a = u[i]%2, b = u[i]/2;G[a*N+S].push_back((1-b)*N+T);G[b*N+T].push_back((1-a)*N+S);}}for(int i = 1; i <= 2*N; i++){for(int j = 0; j < G[i].size(); j++){llint u = G[i][j];revG[u].push_back(i);}}for(int i = 1; i <= 2*N; i++) if(!used[i]) tpsort(i);reverse(topo.begin(), topo.end());int id = 1;for(int i = 1; i <= 2*N; i++) used[i] = false;for(int i = 0; i < topo.size(); i++) if(!used[topo[i]]) sccdfs(topo[i], id++);for(int i = 0; i < topo.size(); i++) pos[topo[i]] = i;for(int i = 1; i <= n; i++){for(int j = 1; j <= n; j++){int v = i*n+j;//cout << scc[v] << " " << scc[N+v] << endl;if(scc[v] == scc[N+v]){cout << -1 << endl;return 0;}if(scc[v] < scc[N+v]) ans[i][j] = 1;else ans[i][j] = 0;}}for(int i = 1; i <= n; i++){for(int j = 1; j <= n; j++){if(ans[s[i]][j] + ans[j][t[i]] * 2 == u[i]){cout << -1 << endl;return -1;}}}for(int i = 1; i <= n; i++){for(int j = 1; j <= n; j++){cout << ans[i][j];if(j < n) cout << " ";}cout << endl;}return 0;}