結果
問題 | No.2366 登校 |
ユーザー | 👑 Nachia |
提出日時 | 2023-06-30 22:13:14 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 10,171 bytes |
コンパイル時間 | 1,174 ms |
コンパイル使用メモリ | 109,908 KB |
実行使用メモリ | 443,724 KB |
最終ジャッジ日時 | 2024-07-07 21:58:28 |
合計ジャッジ時間 | 5,485 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 161 ms
109,344 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 556 ms
441,896 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
ソースコード
#line 1 "..\\Main.cpp" #include <iostream> #include <string> #include <vector> #include <algorithm> #include <atcoder/modint> #line 3 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\graph\\graph.hpp" #include <utility> #include <cassert> #line 5 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\array\\csr-array.hpp" namespace nachia{ template<class Elem> class CsrArray{ public: struct ListRange{ using iterator = typename std::vector<Elem>::iterator; iterator begi, endi; iterator begin() const { return begi; } iterator end() const { return endi; } int size() const { return (int)std::distance(begi, endi); } Elem& operator[](int i) const { return begi[i]; } }; struct ConstListRange{ using iterator = typename std::vector<Elem>::const_iterator; iterator begi, endi; iterator begin() const { return begi; } iterator end() const { return endi; } int size() const { return (int)std::distance(begi, endi); } const Elem& operator[](int i) const { return begi[i]; } }; private: int m_n; std::vector<Elem> m_list; std::vector<int> m_pos; public: CsrArray() : m_n(0), m_list(), m_pos() {} static CsrArray Construct(int n, std::vector<std::pair<int, Elem>> items){ CsrArray res; res.m_n = n; std::vector<int> buf(n+1, 0); for(auto& [u,v] : items){ ++buf[u]; } for(int i=1; i<=n; i++) buf[i] += buf[i-1]; res.m_list.resize(buf[n]); for(int i=(int)items.size()-1; i>=0; i--){ res.m_list[--buf[items[i].first]] = std::move(items[i].second); } res.m_pos = std::move(buf); return res; } static CsrArray FromRaw(std::vector<Elem> list, std::vector<int> pos){ CsrArray res; res.m_n = pos.size() - 1; res.m_list = std::move(list); res.m_pos = std::move(pos); return res; } ListRange operator[](int u) { return ListRange{ m_list.begin() + m_pos[u], m_list.begin() + m_pos[u+1] }; } ConstListRange operator[](int u) const { return ConstListRange{ m_list.begin() + m_pos[u], m_list.begin() + m_pos[u+1] }; } int size() const { return m_n; } int fullSize() const { return (int)m_list.size(); } }; } // namespace nachia #line 6 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\graph\\graph.hpp" namespace nachia{ struct Graph { public: struct Edge{ int from, to; void reverse(){ std::swap(from, to); } }; using Base = std::vector<std::pair<int, int>>; Graph(int n = 0, bool undirected = false, int m = 0) : m_n(n), m_e(m), m_isUndir(undirected) {} Graph(int n, const std::vector<std::pair<int, int>>& edges, bool undirected = false) : m_n(n), m_isUndir(undirected){ m_e.resize(edges.size()); for(std::size_t i=0; i<edges.size(); i++) m_e[i] = { edges[i].first, edges[i].second }; } template<class Cin> static Graph Input(Cin& cin, int n, bool undirected, int m, bool offset = 0){ Graph res(n, undirected, m); for(int i=0; i<m; i++){ int u, v; cin >> u >> v; res[i].from = u - offset; res[i].to = v - offset; } return res; } int numVertices() const noexcept { return m_n; } int numEdges() const noexcept { return int(m_e.size()); } int addNode() noexcept { return m_n++; } int addEdge(int from, int to){ m_e.push_back({ from, to }); return numEdges() - 1; } Edge& operator[](int ei) noexcept { return m_e[ei]; } const Edge& operator[](int ei) const noexcept { return m_e[ei]; } Edge& at(int ei) { return m_e.at(ei); } const Edge& at(int ei) const { return m_e.at(ei); } auto begin(){ return m_e.begin(); } auto end(){ return m_e.end(); } auto begin() const { return m_e.begin(); } auto end() const { return m_e.end(); } bool isUndirected() const noexcept { return m_isUndir; } void reverseEdges() noexcept { for(auto& e : m_e) e.reverse(); } void contract(int newV, const std::vector<int>& mapping){ assert(numVertices() == int(mapping.size())); for(int i=0; i<numVertices(); i++) assert(0 <= mapping[i] && mapping[i] < newV); for(auto& e : m_e){ e.from = mapping[e.from]; e.to = mapping[e.to]; } m_n = newV; } std::vector<Graph> induce(int num, const std::vector<int>& mapping) const { int n = numVertices(); assert(n == int(mapping.size())); for(int i=0; i<n; i++) assert(-1 <= mapping[i] && mapping[i] < num); std::vector<int> indexV(n), newV(num); for(int i=0; i<n; i++) if(mapping[i] >= 0) indexV[i] = newV[mapping[i]]++; std::vector<Graph> res; res.reserve(num); for(int i=0; i<num; i++) res.emplace_back(newV[i], isUndirected()); for(auto e : m_e) if(mapping[e.from] == mapping[e.to] && mapping[e.to] >= 0) res[mapping[e.to]].addEdge(indexV[e.from], indexV[e.to]); return res; } CsrArray<int> getEdgeIndexArray(bool undirected) const { std::vector<std::pair<int, int>> src; src.reserve(numEdges() * (undirected ? 2 : 1)); for(int i=0; i<numEdges(); i++){ auto e = operator[](i); src.emplace_back(e.from, i); if(undirected) src.emplace_back(e.to, i); } return CsrArray<int>::Construct(numVertices(), src); } CsrArray<int> getEdgeIndexArray() const { return getEdgeIndexArray(isUndirected()); } CsrArray<int> getAdjacencyArray(bool undirected) const { std::vector<std::pair<int, int>> src; src.reserve(numEdges() * (undirected ? 2 : 1)); for(auto e : m_e){ src.emplace_back(e.from, e.to); if(undirected) src.emplace_back(e.to, e.from); } return CsrArray<int>::Construct(numVertices(), src); } CsrArray<int> getAdjacencyArray() const { return getAdjacencyArray(isUndirected()); } private: int m_n; std::vector<Edge> m_e; bool m_isUndir; }; } // namespace nachia #line 4 "D:\\Programming\\VSCode\\competitive-cpp\\nachia\\graph\\dijkstra.hpp" #include <queue> namespace nachia{ // require : // Weight + Weight // Weight < Weight // constructor Weight(Weight2) template<class Weight = long long, class Weight2 = Weight> struct DijkstraShortestPath { private: nachia::Graph g; std::vector<Weight> dist; std::vector<int> pre; std::vector<int> ord; public: DijkstraShortestPath( nachia::Graph graph, const std::vector<Weight2>& weight, const std::vector<std::pair<int, Weight>>& starting, const Weight Inf, int goal = -1 ){ using T = std::pair<Weight, int>; g = std::move(graph); auto adj = g.getEdgeIndexArray(); std::vector<Weight> D(g.numVertices(), Inf); std::vector<int> E(g.numVertices(), -1); struct Comp { bool operator()(T a, T b) const noexcept { return b < a; }; }; std::priority_queue<T, std::vector<T>, Comp> Q; ord.clear(); for(auto a : starting) if(a.second < D[a.first]){ D[a.first] = a.second; Q.push({ a.second, a.first }); } while(Q.size()){ int p = Q.top().second; Weight d = Q.top().first; Q.pop(); if(D[p] < d) continue; ord.push_back(p); if(p == goal) break; for(auto e : adj[p]){ int q = g[e].from ^ g[e].to ^ p; Weight nxd = d + Weight(weight[e]); if(!(nxd < D[q])) continue; E[q] = e; D[q] = nxd; Q.emplace(nxd, q); } } dist = std::move(D); pre = std::move(E); } Weight distTo(int v) const noexcept { return dist[v]; } int prevEdge(int v) const noexcept { return pre[v]; } int prevVertex(int v) const noexcept { return pre[v] >= 0 ? g[pre[v]].from ^ g[pre[v]].to ^ v : -1; } std::vector<int> pathTo(int v) const { std::vector<int> res; while(pre[v] >= 0){ res.push_back(pre[v]); v = prevVertex(v); } std::reverse(res.begin(), res.end()); return res; } std::vector<int> getSearchOrder() const { return ord; } Graph getTree() const { Graph res(g.numVertices(), false); for(int i=0; i<g.numVertices(); i++) if(pre[i] >= 0){ res.addEdge(prevVertex(i), i); } return res; } }; } // namespace nachia #line 8 "..\\Main.cpp" using namespace std; using i32 = int; using u32 = unsigned int; using i64 = long long; using u64 = unsigned long long; #define rep(i,n) for(int i=0; i<(int)(n); i++) const i64 INF = 1001001001001001001; using Modint = atcoder::static_modint<998244353>; int main(){ int N, M, K, T; cin >> N >> M >> K >> T; int Q = (N-1) + (M-1); if(T >= Q){ cout << "0\n"; return 0; } auto idx = [&](int n, int m, int t){ return t * N * M + n * M + m; }; vector<vector<i64>> C(N, vector<i64>(M)); auto D = C; rep(k,K){ int a,b,c,d; cin >> a >> b >> c >> d; a--; b--; if(c >= Q) c = Q; C[a][b] = c; D[a][b] = d; } auto g = nachia::Graph(N*M*Q*2, false); vector<i64> W; rep(n,N) rep(m,M) rep(t,Q*2){ if(n != 0 && t != Q*2-1){ g.addEdge(idx(n,m,t), idx(n-1,m,t+1)); W.push_back(0); g.addEdge(idx(n-1,m,t), idx(n,m,t+1)); W.push_back(0); } if(m != 0 && t != Q*2-1){ g.addEdge(idx(n,m,t), idx(n,m-1,t+1)); W.push_back(0); g.addEdge(idx(n,m-1,t), idx(n,m,t+1)); W.push_back(0); } if(t != Q*2-1){ g.addEdge(idx(n,m,t), idx(n,m,t+1)); W.push_back(0); } if(C[n][m] >= 2){ g.addEdge(idx(n,m,t), idx(n,m,max<i64>(t-C[n][m]+1,0))); W.push_back(D[n][m]); } } auto dist = nachia::DijkstraShortestPath<i64>(g, W, {{idx(0,0,Q),0}}, INF); i64 ans = dist.distTo(idx(N-1,M-1,Q*2-1)); if(ans == INF) ans = -1; cout << ans << endl; return 0; }