結果
問題 | No.92 逃走経路 |
ユーザー | not_522 |
提出日時 | 2015-07-23 02:04:09 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 83 ms / 5,000 ms |
コード長 | 3,232 bytes |
コンパイル時間 | 1,681 ms |
コンパイル使用メモリ | 176,420 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-08 12:10:23 |
合計ジャッジ時間 | 2,453 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 38 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 17 ms
6,944 KB |
testcase_06 | AC | 11 ms
6,944 KB |
testcase_07 | AC | 10 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 11 ms
6,940 KB |
testcase_10 | AC | 76 ms
6,940 KB |
testcase_11 | AC | 83 ms
6,944 KB |
testcase_12 | AC | 56 ms
6,944 KB |
testcase_13 | AC | 7 ms
6,940 KB |
testcase_14 | AC | 19 ms
6,940 KB |
testcase_15 | AC | 31 ms
6,940 KB |
testcase_16 | AC | 27 ms
6,940 KB |
testcase_17 | AC | 34 ms
6,944 KB |
testcase_18 | AC | 26 ms
6,944 KB |
testcase_19 | AC | 18 ms
6,940 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]; } }; template<typename T> string to_string(const T& v) { string str; for (const auto& i : const_cast<T&>(v)) str += to_string(i) + " "; return str.substr(0, max(0, (int)str.size() - 1)); } int main() { int n, m, k; cin >> n >> m >> k; AdjacencyList<WeightedEdge<int>> graph(n + 1); for (int i = 0; i < m; ++i) { int a, b, c; cin >> a >> b >> c; graph.addUndirectedEdge(a, b, c); } set<int> now, next; for (int i = 1; i <= n; ++i) now.insert(i); for (int i = 0; i < k; ++i) { int d; cin >> d; for (const auto& edge : graph.getEdges()) { if (now.count(edge.from) && d == edge.cost) next.insert(edge.to); } now = next; next.clear(); } cout << now.size() << endl << to_string(now) << endl; }