結果
問題 | No.1078 I love Matrix Construction |
ユーザー | Sumitacchan |
提出日時 | 2020-09-09 21:32:34 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 241 ms / 2,000 ms |
コード長 | 4,691 bytes |
コンパイル時間 | 2,489 ms |
コンパイル使用メモリ | 184,540 KB |
実行使用メモリ | 63,308 KB |
最終ジャッジ日時 | 2024-05-09 17:38:56 |
合計ジャッジ時間 | 5,939 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 22 ms
11,792 KB |
testcase_03 | AC | 62 ms
26,028 KB |
testcase_04 | AC | 98 ms
34,804 KB |
testcase_05 | AC | 81 ms
29,124 KB |
testcase_06 | AC | 22 ms
11,732 KB |
testcase_07 | AC | 9 ms
6,400 KB |
testcase_08 | AC | 77 ms
29,476 KB |
testcase_09 | AC | 5 ms
5,376 KB |
testcase_10 | AC | 241 ms
63,308 KB |
testcase_11 | AC | 104 ms
36,428 KB |
testcase_12 | AC | 184 ms
52,804 KB |
testcase_13 | AC | 213 ms
59,380 KB |
testcase_14 | AC | 124 ms
41,880 KB |
testcase_15 | AC | 196 ms
55,992 KB |
testcase_16 | AC | 8 ms
5,760 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 16 ms
9,456 KB |
testcase_19 | AC | 38 ms
17,840 KB |
testcase_20 | AC | 37 ms
17,556 KB |
testcase_21 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; //using namespace atcoder; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin);i<(end);i++) #define REP(i, n) FOR(i,0,n) #define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--) #define IREP(i, n) IFOR(i,0,n) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define all(v) v.begin(),v.end() #define SZ(v) ((int)v.size()) #define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x)) #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) #define bit(n) (1LL<<(n)) #define debug(x) cout << #x << "=" << x << endl; #define vdebug(v) { cout << #v << "=" << endl; REP(i_debug, v.size()){ cout << v[i_debug] << ","; } cout << endl; } #define mdebug(m) { cout << #m << "=" << endl; REP(i_debug, m.size()){ REP(j_debug, m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} } #define pb push_back #define fi first #define se second #define int long long #define INF 1000000000000000000 template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < v.size(); i++) { cout << v[i]; if(i != v.size() - 1) cout << endl; }; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p){ cout << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T> void Out(T x) { cout << x << endl; } template<typename T1, typename T2> void chOut(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); } using vec = vector<int>; using mat = vector<vec>; using Pii = pair<int, int>; using v_bool = vector<bool>; using v_Pii = vector<Pii>; //int dx[4] = {1,0,-1,0}; //int dy[4] = {0,1,0,-1}; //char d[4] = {'D','R','U','L'}; const int mod = 1000000007; //const int mod = 998244353; struct edge{int to, cost, id;}; class Graph { public: int N; vector<vector<edge>> G; Graph(int N): N(N){ G = vector<vector<edge>>(N, vector<edge>(0)); } void add_Directed_edge(int from, int to, int cost = 1, int id = 0){ G[from].push_back(edge({to, cost, id})); } void add_Undirected_edge(int v1, int v2, int cost = 1, int id = 0){ add_Directed_edge(v1, v2, cost, id); add_Directed_edge(v2, v1, cost, id); } //SCC decomposition void dfs(int v, vector<bool> &used, vec &vs){ used[v] = true; REP(i, G[v].size()){ if(!used[G[v][i].to]) dfs(G[v][i].to, used, vs); } vs.push_back(v); } void rdfs(int v, int k, vector<bool> &used, vec &cmp){ used[v] = true; cmp[v] = k; REP(i, G[v].size()){ if(!used[G[v][i].to]) rdfs(G[v][i].to, k, used, cmp); } } //u->v => cmp[u]<cmp[v] vec scc(int &k){ vector<bool> used(N, false); vec vs(0), cmp(N); REP(i, N){ if(!used[i]) dfs(i, used, vs); } //reverse graph Graph rG(N); REP(v, N) REP(i, G[v].size()) rG.add_Directed_edge(G[v][i].to, v, G[v][i].cost); fill(used.begin(), used.end(), false); k = 0; IREP(i, vs.size()){ if(!used[vs[i]]) rG.rdfs(vs[i], k++, used, cmp); } return cmp; } //2-SAT用 //N=2nとして、0,...,n-1の否定をn,...,2n-1で表す int NOT(int X){ return (X + N / 2) % N; } void add_X(int X){ add_Directed_edge(NOT(X), X); } void add_AorB(int A, int B){ add_Directed_edge(NOT(A), B); add_Directed_edge(NOT(B), A); } bool solve_2SAT(vector<bool> &ans){ int k; int n = N / 2; vec cmp = scc(k); ans.resize(n); REP(i, n){ if(cmp[i] == cmp[i + n]) return false; else if(cmp[i] < cmp[i + n]) ans[i] = false; else ans[i] = true; } return true; } }; signed main(){ int N; cin >> N; vec S(N), T(N), U(N); cin >> S >> T >> U; REP(i, N){ S[i]--; T[i]--; } Graph G(2 * N * N); REP(i, N) REP(j, N){ int a = S[i] * N + j, b = j * N + T[i]; if(U[i] % 2) a += N * N; if(U[i] / 2) b += N * N; G.add_AorB(a, b); } v_bool ans; bool ok = G.solve_2SAT(ans); if(ok){ REP(i, N){ REP(j, N) cout << ans[i * N + j] << " "; cout << endl; } }else{ Out(-1); } return 0; }