結果
問題 | No.1078 I love Matrix Construction |
ユーザー |
![]() |
提出日時 | 2020-09-27 11:00:51 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 377 ms / 2,000 ms |
コード長 | 12,244 bytes |
コンパイル時間 | 1,404 ms |
コンパイル使用メモリ | 100,808 KB |
最終ジャッジ日時 | 2025-01-14 22:45:23 |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
#line 1 "main.cpp"/*** @title Template*/#include <iostream>#include <algorithm>#include <utility>#include <numeric>#include <vector>#include <array>#include <cassert>#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/chmin_chmax.cpp"template <class T, class U>constexpr bool chmin(T &lhs, const U &rhs) {if (lhs > rhs) { lhs = rhs; return true; }return false;}template <class T, class U>constexpr bool chmax(T &lhs, const U &rhs) {if (lhs < rhs) { lhs = rhs; return true; }return false;}/*** @title Chmin/Chmax*/#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/range.cpp"#line 4 "/Users/kodamankod/Desktop/cpp_programming/Library/other/range.cpp"class range {public:class iterator {private:int64_t M_position;public:constexpr iterator(int64_t position) noexcept: M_position(position) { }constexpr void operator ++ () noexcept { ++M_position; }constexpr bool operator != (iterator other) const noexcept { return M_position != other.M_position; }constexpr int64_t operator * () const noexcept { return M_position; }};class reverse_iterator {private:int64_t M_position;public:constexpr reverse_iterator(int64_t position) noexcept: M_position(position) { }constexpr void operator ++ () noexcept { --M_position; }constexpr bool operator != (reverse_iterator other) const noexcept { return M_position != other.M_position; }constexpr int64_t operator * () const noexcept { return M_position; }};private:const iterator M_first, M_last;public:constexpr range(int64_t first, int64_t last) noexcept: M_first(first), M_last(std::max(first, last)) { }constexpr iterator begin() const noexcept { return M_first; }constexpr iterator end() const noexcept { return M_last; }constexpr reverse_iterator rbegin() const noexcept { return reverse_iterator(*M_last - 1); }constexpr reverse_iterator rend() const noexcept { return reverse_iterator(*M_first - 1); }};/*** @title Range*/#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/rev.cpp"#include <type_traits>#include <iterator>#line 6 "/Users/kodamankod/Desktop/cpp_programming/Library/other/rev.cpp"template <class T>class rev_impl {public:using iterator = decltype(std::rbegin(std::declval<T>()));private:const iterator M_begin;const iterator M_end;public:constexpr rev_impl(T &&cont) noexcept: M_begin(std::rbegin(cont)), M_end(std::rend(cont)) { }constexpr iterator begin() const noexcept { return M_begin; }constexpr iterator end() const noexcept { return M_end; }};template <class T>constexpr decltype(auto) rev(T &&cont) {return rev_impl<T>(std::forward<T>(cont));}/*** @title Reverser*/#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/two_sat.cpp"#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/network.cpp"#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/adjust_index.cpp"#include <cstddef>#line 5 "/Users/kodamankod/Desktop/cpp_programming/Library/other/adjust_index.cpp"class adjust_index {private:const size_t M_stuff, M_size;public:explicit adjust_index(const size_t stuff, const size_t size):M_stuff(stuff), M_size(size){ }size_t operator [] (const size_t index) const {assert(index < M_size);return M_stuff + index;}size_t to_index(const size_t fixed) const {assert(fixed >= M_stuff);assert(fixed < M_size + M_stuff);return fixed - M_stuff;}size_t size() const {return M_size;}};/*** @title Index Adjustment*/#line 4 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/network.cpp"#line 6 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/network.cpp"#include <cstdint>#line 10 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/network.cpp"#include <type_traits>#line 12 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/network.cpp"template <class Edge>class network {public:using vertex_type = typename Edge::vertex_type;using edge_type = Edge;using size_type = size_t;protected:std::vector<std::vector<edge_type>> M_graph;public:explicit network() = default;explicit network(const size_type size) { add_vertices<false>(size); }template <bool ReturnsIndex = true>typename std::enable_if<ReturnsIndex, vertex_type>::type add_vertex() {vertex_type res = M_graph.size();M_graph.push_back({ });return res;}template <bool ReturnsIndex = true>typename std::enable_if<!ReturnsIndex, void>::type add_vertex() {M_graph.push_back({ });}template <bool ReturnsIndices = true>typename std::enable_if<ReturnsIndices, adjust_index>::typeadd_vertices(const size_type size) {size_type cur = M_graph.size();M_graph.resize(cur + size);return adjust_index(cur, size);}template <bool ReturnsIndices = true>typename std::enable_if<!ReturnsIndices, void>::typeadd_vertices(const size_type size) {size_type cur = M_graph.size();M_graph.resize(cur + size);}void add_edge(const edge_type &edge) {M_graph[edge.source].push_back(edge);}template <class... Args>void emplace_edge(const vertex_type src, Args&&... args) {M_graph[src].emplace_back(src, std::forward<Args>(args)...);}std::vector<edge_type> &operator [] (const vertex_type vert) {assert(vert < size());return M_graph[vert];}const std::vector<edge_type> &operator [] (const vertex_type vert) const {assert(vert < size());return M_graph[vert];}size_type size() const {return M_graph.size();}bool empty() const {return M_graph.empty();}void clear() {M_graph.clear();M_graph.shrink_to_fit();}};class base_edge {public:using vertex_type = uint32_t;const vertex_type source, dest;explicit base_edge(const vertex_type source, const vertex_type dest):source(source), dest(dest){ }base_edge reverse() const {return base_edge(dest, source);}};template <class Flow>class flow_edge: public base_edge {public:using vertex_type = typename base_edge::vertex_type;using flow_type = Flow;flow_type flow;const flow_type capacity;explicit flow_edge(const base_edge &edge, const flow_type capacity):base_edge(edge), flow(0), capacity(capacity){ }explicit flow_edge(const base_edge &edge, const flow_type flow, const flow_type capacity):base_edge(edge), flow(flow), capacity(capacity){ }explicit flow_edge(const vertex_type source, const vertex_type dest, const flow_type capacity):base_edge(source, dest), flow(0), capacity(capacity){ }explicit flow_edge(const vertex_type source, const vertex_type dest, const flow_type flow, const flow_type capacity):base_edge(source, dest), flow(flow), capacity(capacity){ }flow_edge reverse() const {return flow_edge(static_cast<base_edge>(*this).reverse(), capacity - flow, capacity);}};/*** @title Network*/#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/scc.cpp"#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/fix_point.cpp"#line 4 "/Users/kodamankod/Desktop/cpp_programming/Library/other/fix_point.cpp"template <class Func>struct fix_point_impl: private Func {explicit constexpr fix_point_impl(Func &&func): Func(std::forward<Func>(func)) { }template <class... Args>constexpr decltype(auto) operator () (Args &&... args) const {return Func::operator()(*this, std::forward<Args>(args)...);}};template <class Func>constexpr decltype(auto) fix_point(Func &&func) {return fix_point_impl<Func>(std::forward<Func>(func));}/*** @title Lambda Recursion*/#line 4 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/scc.cpp"#line 6 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/scc.cpp"#include <stack>template <class Network>class strongly_connected_components {public:using network_type = Network;using vertex_type = typename Network::vertex_type;using edge_type = typename Network::edge_type;using size_type = typename Network::size_type;private:std::vector<std::vector<vertex_type>> graph;std::vector<std::vector<vertex_type>> revgraph;public:explicit strongly_connected_components(const network_type &net) {graph.resize(net.size());revgraph.resize(net.size());for (size_type src = 0; src < net.size(); ++src) {for (const auto &edge: net[src]) {graph[src].push_back(edge.dest);revgraph[edge.dest].push_back(src);}}}std::vector<std::vector<vertex_type>> decompose() const {std::vector<bool> visited(graph.size());std::stack<vertex_type> topological;const auto sort = fix_point([&](auto dfs, const vertex_type u) -> void {if (visited[u]) return;visited[u] = true;for (const auto v: graph[u]) {dfs(v);}topological.push(u);});for (vertex_type src = 0; src < graph.size(); ++src) {sort(src);}std::vector<std::vector<vertex_type>> group;const auto decompose = fix_point([&](const auto dfs, const vertex_type u) -> void {if (visited[u]) return;visited[u] = true;group.back().push_back(u);for (const auto v: revgraph[u]) {dfs(v);}});std::fill(visited.begin(), visited.end(), false);while (!topological.empty()) {const auto u = topological.top();topological.pop();if (!visited[u]) {group.push_back({ });decompose(u);}}return group;}};/*** @title Strongly Connected Components*/#line 5 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/two_sat.cpp"#line 10 "/Users/kodamankod/Desktop/cpp_programming/Library/graph/two_sat.cpp"class two_sat {public:using size_type = size_t;private:network<base_edge> graph;public:explicit two_sat() = default;explicit two_sat(const size_type size): graph(size * 2) { }void add_clause(const size_type i, const bool f, const size_type j, const bool g) {assert(i < size());assert(j < size());graph.emplace_edge(2 * i + (f ? 0 : 1), 2 * j + (g ? 1 : 0));graph.emplace_edge(2 * j + (g ? 0 : 1), 2 * i + (f ? 1 : 0));}std::pair<bool, std::vector<bool>> satisfy() const {const auto groups = strongly_connected_components(graph).decompose();std::vector<size_type> id(graph.size());std::vector<bool> res(size());for (size_type i = 0; i < groups.size(); ++i) {for (const auto x: groups[i]) {id[x] = i;}}for (size_type i = 0; i < size(); ++i) {if (id[2 * i] == id[2 * i + 1]) {return { false, { } };}res[i] = id[2 * i] < id[2 * i + 1];}return { true, res };}size_type size() const {return graph.size() / 2;}};/*** @title Two Sat*/#line 18 "main.cpp"using i32 = int32_t;using i64 = int64_t;using u32 = uint32_t;using u64 = uint64_t;constexpr i32 inf32 = (i32(1) << 30) - 1;constexpr i64 inf64 = (i64(1) << 62) - 1;int main() {size_t N;std::cin >> N;std::vector<size_t> S(N), T(N);std::vector<u32> U(N);for (auto &x: S) {std::cin >> x;--x;}for (auto &x: T) {std::cin >> x;--x;}for (auto &x: U) {std::cin >> x;}two_sat sat(N * N);for (auto i: range(0, N)) {for (auto j: range(0, N)) {const auto u = S[i] * N + j;const auto v = j * N + T[i];switch (U[i]) {case 0:sat.add_clause(u, true, v, true);break;case 1:sat.add_clause(u, false, v, true);break;case 2:sat.add_clause(u, true, v, false);break;case 3:sat.add_clause(u, false, v, false);break;default:break;}}}const auto [satisfiable, answer] = sat.satisfy();if (!satisfiable) {std::cout << "-1\n";}else {for (auto i: range(0, N)) {for (auto j: range(0, N)) {std::cout << answer[i * N + j] << (j + 1 == N ? '\n' : ' ');}}}return 0;}