結果
問題 | No.2981 Pack Tree into Grid |
ユーザー |
👑 ![]() |
提出日時 | 2024-12-05 00:24:28 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 34 ms / 2,000 ms |
コード長 | 18,053 bytes |
コンパイル時間 | 2,859 ms |
コンパイル使用メモリ | 127,544 KB |
最終ジャッジ日時 | 2025-02-26 10:55:56 |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 28 |
ソースコード
#ifdef NACHIA#define _GLIBCXX_DEBUG#else#define NDEBUG#endif#include <iostream>#include <string>#include <vector>#include <algorithm>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;template<typename A> void chmin(A& l, const A& r){ if(r < l) l = r; }template<typename A> void chmax(A& l, const A& r){ if(l < r) l = r; }using namespace std;#include <atcoder/modint>using Modint = atcoder::static_modint<998244353>;#include <utility>#include <cassert>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 nachianamespace nachia{struct Graph {public:struct Edge{int from, to;void reverse(){ std::swap(from, to); }int xorval() const { return from ^ to; }};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, int 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, int 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#include <atcoder/string>namespace nachia{std::vector<int> BfsDistance(const nachia::CsrArray<int>& adj, const std::vector<int>& start){std::vector<int> dist(adj.size(), -1), bfs(adj.size());int p1 = 0;for(int s : start) if(dist[s] == -1){dist[s] = 0;bfs[p1++] = s;}for(int i=0; i<p1; i++){int p = bfs[i];for(int nx : adj[p]) if(dist[nx] == -1){dist[nx] = dist[p] + 1;bfs[p1++] = nx;}}return dist;}} // namespace nachianamespace nachia{// list of nodes through the diameter pathstd::vector<int> UnitTreeDiameter(const CsrArray<int>& T){int n = T.size();std::vector<int> I(n, 0);std::vector<int> P(n, -1);auto ii = I.begin();for(int i=0; i<(int)I.size(); i++){int p = I[i];for(int e : T[p]) if(P[p] != e){P[e] = p;*++ii = e;}}P[I[n-1]] = -1;for(int i=n-1; i>=0; i--){int p = I[i];for(int e : T[p]) if(P[p] != e){P[e] = p;*--ii = e;}}std::vector<int> res = { I[0] };int sz = 0, szp = res[0];while(P[szp] != -1){ sz++; szp = P[szp]; }res.reserve(sz);while(P[res.back()] != -1){ res.push_back(P[res.back()]);}return res;}std::vector<int> UnitTreeDiameter(const Graph& T){return UnitTreeDiameter(T.getAdjacencyArray(true));}std::vector<int> UnitTreeMaxDistance(const Graph& T){int n = T.numVertices();auto adj = T.getAdjacencyArray();auto diam = UnitTreeDiameter(adj);auto d0 = BfsDistance(adj, std::vector<int>(1,diam.front()));auto d1 = BfsDistance(adj, std::vector<int>(1,diam.back()));for(int i=0; i<n; i++) if(d0[i] < d1[i]) d0[i] = d1[i];return d0;}} // namespace nachianamespace nachia{// size 1 : center is a node// size 2 : center is an edge between themstd::vector<int> UnitTreeCenter(const CsrArray<int>& T){auto diameter = UnitTreeDiameter(T);if(diameter.size() % 2 == 1){return { diameter[diameter.size() / 2] };}return { diameter[diameter.size() / 2 - 1], diameter[diameter.size() / 2] };}std::vector<int> UnitTreeCenter(const Graph& T){return UnitTreeCenter(T.getAdjacencyArray(true));}} // namespace nachianamespace nachia{namespace treetourlex_internal{void sort_tg_by(CsrArray<int>& tg, std::vector<int>& by, int bound){std::vector<int> cnt(bound + 1);for(int i=0; i<(int)tg.size(); i++) for(int v : tg[i]) cnt[by[v]]++;for(int i=0; i<bound; i++) cnt[i+1] += cnt[i];std::vector<std::pair<int,int>> bucket(cnt.back());for(int i=0; i<(int)tg.size(); i++) for(int v : tg[i]) bucket[--cnt[by[v]]] = std::make_pair(i,v);std::vector<int> cnt2(tg.size());for(auto [i,v] : bucket) tg[i][cnt2[i]++] = v;}std::vector<int> coord_compress_from_arr_by(CsrArray<int>& tg, std::vector<int>& by, int bound){int n = tg.size();std::vector<int> sorted_tg_idx;auto predicate_by_that = [&](int l, int r) -> bool { return by[l] == by[r]; };std::vector<int> sa_src;std::vector<int> sa_recover;for(int i=0; i<n; i++){sa_recover.push_back(i);for(auto a : tg[i]){sa_src.push_back(by[a] + 1);sa_recover.push_back(-1);}sa_src.push_back(0);}auto sa = atcoder::suffix_array(sa_src, bound);for(int i=0; i<(int)sa.size(); i++) if(sa_recover[sa[i]] != -1) sorted_tg_idx.push_back(sa_recover[sa[i]]);std::vector<int> res(n);for(int i=1; i<n; i++){res[sorted_tg_idx[i]] = res[sorted_tg_idx[i-1]];bool same = std::equal(tg[sorted_tg_idx[i-1]].begin(), tg[sorted_tg_idx[i-1]].end(), tg[sorted_tg_idx[i]].begin(), tg[sorted_tg_idx[i]].end(), predicate_by_that);if(!same) res[sorted_tg_idx[i]]++;}return res;}} // namespace internalstruct AHUAlgorithmLinearTime{int N;std::vector<int> compressed;std::vector<int> depth;CsrArray<int> children_ordered;int root;// O(N) timeAHUAlgorithmLinearTime(const Graph& E, int new_root = 0){root = new_root;N = E.numVertices();auto adj = E.getAdjacencyArray();depth.assign(N, -1);std::vector<int> parent(N, -1);std::vector<int> bfs = {root};bfs.reserve(N);depth[root] = 0;for(int i=0; i<N; i++){int p = bfs[i];for(int e : adj[p]) if(depth[e] == -1){depth[e] = depth[p] + 1;parent[e] = p;bfs.push_back(e);}}int max_depth = *max_element(depth.begin(), depth.end());CsrArray<int> from_depth; {std::vector<std::pair<int,int>> elems;for(int i=0; i<N; i++) elems.push_back(std::make_pair(depth[i], i));from_depth = CsrArray<int>::Construct(max_depth+2, elems);}compressed.assign(N, 0);/* children_ordered */ {std::vector<std::pair<int,int>> edges;for(int p=0; p<N; p++) for(int c : adj[p]) if(depth[p] < depth[c]) edges.push_back(std::make_pair(p,c));children_ordered = CsrArray<int>::Construct(N, edges);}for(int d = max_depth; d >= 0; d--){auto vtxs = from_depth[d];CsrArray<int> children_ordered_part; {std::vector<std::pair<int,int>> elems;for(int i=0; i<(int)vtxs.size(); i++) for(auto p : children_ordered[vtxs[i]]) elems.push_back(std::make_pair(i,p));children_ordered_part = CsrArray<int>::Construct(vtxs.size(), elems);}treetourlex_internal::sort_tg_by(children_ordered_part, compressed, from_depth[d+1].size());auto compressed_part = treetourlex_internal::coord_compress_from_arr_by(children_ordered_part, compressed, from_depth[d+1].size());for(int i=0; i<(int)vtxs.size(); i++) for(int j=0; j<(int)children_ordered_part[i].size(); j++) children_ordered[vtxs[i]][j] =children_ordered_part[i][j];for(int i=0; i<(int)vtxs.size(); i++) compressed[vtxs[i]] = compressed_part[i];}}void secondary(){std::vector<int> bfs = {root};std::vector<int> parent(N, -1);std::vector<int> size(N, 1);bfs.reserve(N);for(int i=0; i<N; i++){int p = bfs[i];for(int e : children_ordered[p]){parent[e] = p;bfs.push_back(e);}}for(int i=N-1; i>=1; i--) size[parent[bfs[i]]] += size[bfs[i]];std::vector<int> pos(N, 0);std::vector<int> brack(N, 0);for(int i=0; i<N; i++){int p = bfs[i];int posv = pos[p] + 1;brack[pos[p] + size[p] - 1]++;for(int e : children_ordered[bfs[i]]){pos[e] = posv;posv += size[e];}}auto sa = atcoder::suffix_array(brack, N);auto lcp = atcoder::lcp_array(brack, sa);std::vector<int> invpos(N, 0);for(int i=0; i<N; i++) invpos[pos[i]] = i;compressed[invpos[sa[0]]] = 0;for(int i=1; i<N; i++){int prevtx = invpos[sa[i-1]];int vtx = invpos[sa[i]];compressed[vtx] = compressed[prevtx];if(lcp[i-1] < size[vtx]-1 || size[prevtx] != size[vtx]) compressed[vtx]++;}}static bool TreeIsomorphism(const Graph& a, const Graph& b){if(a.numVertices() != b.numVertices()) return false;int n = a.numVertices();if(n == 1) return true;int ca = UnitTreeCenter(a.getAdjacencyArray(true))[0];auto Cb = UnitTreeCenter(b.getAdjacencyArray(true));Graph g(n*2+1, true);for(auto e : a) g.addEdge(1 + e.from, 1 + e.to);for(auto e : b) g.addEdge(1 + n + e.from, 1 + n + e.to);for(auto cb : Cb){Graph g2 = g;g2.addEdge(0, 1 + ca);g2.addEdge(0, 1 + n + cb);auto ahu = AHUAlgorithmLinearTime(g2, 0).compressed;if(ahu[1 + ca] == ahu[1 + n + cb]) return true;}return false;}static vector<pair<int,int>> TreeIsomorphismGetRoot(const Graph& a, const Graph& b){if(a.numVertices() != b.numVertices()) return {};int n = a.numVertices();if(n == 1) return {{0,0}};int ca = UnitTreeCenter(a.getAdjacencyArray(true))[0];auto Cb = UnitTreeCenter(b.getAdjacencyArray(true));Graph g(n*2+1, true);for(auto e : a) g.addEdge(1 + e.from, 1 + e.to);for(auto e : b) g.addEdge(1 + n + e.from, 1 + n + e.to);for(auto cb : Cb){Graph g2 = g;g2.addEdge(0, 1 + ca);g2.addEdge(0, 1 + n + cb);auto ahu = AHUAlgorithmLinearTime(g2, 0).compressed;if(ahu[1 + ca] == ahu[1 + n + cb]) return {{ca,cb}};}return {};}};} // namespace nachiavoid testcase(){i64 N; cin >> N;vector<i64> U(N-1), V(N-1), D(N-1);rep(i,N-1){ cin >> U[i] >> V[i] >> D[i]; U[i]--; V[i]--; }i64 H, W; cin >> H >> W;vector<string> S(H); rep(y,H) cin >> S[y];int N2 = 0; rep(y,H) rep(x,W) if(S[y][x] == '#') N2++;nachia::Graph T0(N2, true);vector<pair<int,int>> Map0;{vector<vector<int>> Id(H, vector<int>(W));int idi = 0;rep(y,H) rep(x,W) if(S[y][x] == '#') Id[y][x] = idi++;rep(y,H) rep(x,W-1) if(S[y][x] == '#' && S[y][x+1] == '#'){T0.addEdge(Id[y][x], Id[y][x+1]);}rep(y,H-1) rep(x,W) if(S[y][x] == '#' && S[y+1][x] == '#'){T0.addEdge(Id[y][x], Id[y+1][x]);}rep(y,H) rep(x,W) if(S[y][x] == '#') Map0.push_back({y,x});}nachia::Graph T1(N2, true);{int idi = N;rep(e,N-1){int u = U[e];rep(d,D[e]-1){int v = idi++;if(v >= N2){ cout << "No\n"; return; }T1.addEdge(u, v);u = v;}T1.addEdge(u, V[e]);}if(idi != N2){ cout << "No\n"; return; }}auto root = nachia::AHUAlgorithmLinearTime::TreeIsomorphismGetRoot(T0, T1);if(root.empty()){ cout << "No\n"; return; }auto [r0, r1] = root[0];auto T0x = nachia::AHUAlgorithmLinearTime(T0, r0);auto T1x = nachia::AHUAlgorithmLinearTime(T1, r1);//cout << "N2 = " << N2 << endl;////for(auto [u,v] : T0) cout << u << " " << v << endl;////cout << "##" << endl;////for(auto [u,v] : T1) cout << u << " " << v << endl;////cout << T0x.children_ordered.fullSize() << endl;////cout << T1x.children_ordered.fullSize() << endl;////cout << "##" << endl;////cout << "r0 = " << r0 << " , r1 = " << r1 << endl;//rep(u,N2){// cout << u << " : ";// for(auto v : T0x.children_ordered[u]) cout << v << " ";// cout << endl;//}vector<int> bfs0; bfs0.push_back(r0);vector<int> bfs1; bfs1.push_back(r1);rep(i,bfs0.size()){//cout << "i = " << i << endl;int u0 = bfs0[i];int u1 = bfs1[i];for(auto v : T0x.children_ordered[u0]){bfs0.push_back(v);}for(auto v : T1x.children_ordered[u1]){bfs1.push_back(v);}}//cout << "##" << endl;vector<int> mapping(N2);rep(i,N2) mapping[bfs1[i]] = bfs0[i];//cout << "##" << endl;cout << "Yes\n";rep(i,N){auto [y,x] = Map0[mapping[i]];cout << (y+1) << ' ' << (x+1) << '\n';}}int main(){ios::sync_with_stdio(false); cin.tie(nullptr);i64 Q = 0; cin >> Q;rep(qi,Q) testcase();return 0;}