結果
問題 | No.241 出席番号(1) |
ユーザー | not_522 |
提出日時 | 2015-08-19 21:34:23 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,616 bytes |
コンパイル時間 | 1,492 ms |
コンパイル使用メモリ | 171,772 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-05-08 00:19:26 |
合計ジャッジ時間 | 2,747 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; struct Edge { typedef int CostType; const static int cost = 1; int from, to; Edge(int from, int to) : from(from), to(to) {}; }; template<typename Cost> struct WeightedEdge : public Edge { typedef Cost CostType; Cost cost; WeightedEdge(int from, int to, Cost cost = 0) : Edge(from, to), cost(cost) {} }; template<typename Capacity> struct ResidualEdge : public Edge { typedef Capacity CapacityType; Capacity cap; int rev; ResidualEdge(int from, int to, Capacity cap) : Edge(from, to), cap(cap) {} ResidualEdge reverse() const {return ResidualEdge(to, from, 0);} }; template<typename Capacity, typename Cost> struct WeightedResidualEdge : public ResidualEdge<Capacity> { Cost cost; WeightedResidualEdge(int from, int to, Capacity cap, Cost cost) : ResidualEdge<Capacity>(from, to, cap), cost(cost) {} WeightedResidualEdge reverse() const {return WeightedResidualEdge(this->to, this->from, 0, -cost);} }; template<typename Edge> class Graph { public: typedef Edge EdgeType; virtual int size() const = 0; template<typename... Args> void addEdge(Args...) {} template<typename... Args> void addUndirectedEdge(Args...) {} virtual vector<Edge> getEdges() const = 0; virtual vector<Edge> getEdges(int from) const = 0; virtual vector<Edge> getEdges(int from, int to) const = 0; virtual int getDegree(int v) const = 0; }; template<typename Edge> class AdjacencyList : public Graph<Edge> { protected: vector<vector<Edge>> graph; public: AdjacencyList(int n) : graph(n) {} int size() const { return graph.size(); } template<typename... Args> void addEdge(Args... args) { Edge edge(args...); graph[edge.from].emplace_back(edge); } template<typename... Args> void addUndirectedEdge(Args... args) { Edge edge(args...); addEdge(edge); swap(edge.from, edge.to); addEdge(edge); } vector<Edge> getEdges() const { vector<Edge> res; for (const auto& edges : graph) { res.insert(res.end(), edges.begin(), edges.end()); } return res; } vector<Edge> getEdges(int from) const { return graph[from]; } vector<Edge> getEdges(int from, int to) const { vector<Edge> res; for (const auto& edge : graph[from]) { if (edge.to == to) res.emplace_back(edge); } return res; } int getDegree(int v) const { return graph[v].size(); } vector<Edge>& operator[](int v) { return graph[v]; } }; class BipartiteMatching { private: AdjacencyList<Edge> graph; vector<bool> used; bool dfs(int v) { used[v] = true; for (const Edge& u : graph[v]) { int w = match[u.to]; if (w < 0 || (!used[w] && dfs(w))) { match[v] = u.to; match[u.to] = v; return true; } } return false; } public: vector<int> match; BipartiteMatching(const AdjacencyList<Edge>& graph) : graph(graph), used(graph.size()), match(graph.size(), -1) {} int solve() { int res = 0; for (int i = 0; i < graph.size(); ++i) { if (match[i] >= 0) continue; fill(used.begin(), used.end(), false); if (dfs(i)) ++res; } return res; } }; int main() { int n; cin >> n; vector<int> a(n); for (int& i : a) cin >> i; AdjacencyList<Edge> graph(2 * n); for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { if (a[i] == j) continue; graph.addEdge(i, j + n); } } BipartiteMatching match(graph); if (match.solve() != n) { cout << -1 << endl; } else { for (int i = 0; i < n; ++i) cout << match.match[i] - n << endl; } }