結果
問題 | No.1002 Twotone |
ユーザー | Pachicobue |
提出日時 | 2020-02-28 23:19:03 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 12,551 bytes |
コンパイル時間 | 3,602 ms |
コンパイル使用メモリ | 246,296 KB |
実行使用メモリ | 82,080 KB |
最終ジャッジ日時 | 2024-10-13 19:10:04 |
合計ジャッジ時間 | 13,092 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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | TLE | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
ソースコード
#include <bits/stdc++.h> // created [2020/02/28] 21:45:15 #pragma GCC diagnostic ignored "-Wsign-compare" #pragma GCC diagnostic ignored "-Wsign-conversion" using i32 = int32_t; using i64 = int64_t; using u32 = uint32_t; using u64 = uint64_t; using uint = unsigned int; using usize = std::size_t; using ll = long long; using ull = unsigned long long; using ld = long double; template<typename T, usize n> using arr = T (&)[n]; template<typename T, usize n> using c_arr = const T (&)[n]; template<typename T> using max_heap = std::priority_queue<T>; template<typename T> using min_heap = std::priority_queue<T, std::vector<T>, std::greater<T>>; template<typename T> constexpr T popcount(const T u) { return u ? static_cast<T>(__builtin_popcountll(static_cast<u64>(u))) : static_cast<T>(0); } template<typename T> constexpr T log2p1(const T u) { return u ? static_cast<T>(64 - __builtin_clzll(static_cast<u64>(u))) : static_cast<T>(0); } template<typename T> constexpr T msbp1(const T u) { return log2p1(u); } template<typename T> constexpr T lsbp1(const T u) { return __builtin_ffsll(u); } template<typename T> constexpr T clog(const T u) { return u ? log2p1(u - 1) : static_cast<T>(u); } template<typename T> constexpr bool ispow2(const T u) { return u and (static_cast<u64>(u) & static_cast<u64>(u - 1)) == 0; } template<typename T> constexpr T ceil2(const T u) { return static_cast<T>(1) << clog(u); } template<typename T> constexpr T floor2(const T u) { return u == 0 ? static_cast<T>(0) : static_cast<T>(1) << (log2p1(u) - 1); } template<typename T> constexpr bool btest(const T mask, const usize ind) { return static_cast<bool>((static_cast<u64>(mask) >> ind) & static_cast<u64>(1)); } template<typename T> void bset(T& mask, const usize ind) { mask |= (static_cast<T>(1) << ind); } template<typename T> void breset(T& mask, const usize ind) { mask &= ~(static_cast<T>(1) << ind); } template<typename T> void bflip(T& mask, const usize ind) { mask ^= (static_cast<T>(1) << ind); } template<typename T> void bset(T& mask, const usize ind, const bool b) { (b ? bset(mask, ind) : breset(mask, ind)); } template<typename T> constexpr T bcut(const T mask, const usize ind) { return ind == 0 ? static_cast<T>(0) : static_cast<T>((static_cast<u64>(mask) << (64 - ind)) >> (64 - ind)); } template<typename T> bool chmin(T& a, const T& b) { return (a > b ? a = b, true : false); } template<typename T> bool chmax(T& a, const T& b) { return (a < b ? a = b, true : false); } constexpr unsigned int mod = 1000000007; template<typename T> constexpr T inf_v = std::numeric_limits<T>::max() / 4; template<typename Real> constexpr Real pi_v = Real{3.141592653589793238462643383279502884}; auto mfp = [](auto&& f) { return [=](auto&&... args) { return f(f, std::forward<decltype(args)>(args)...); }; }; template<typename T> T in() { T v; return std::cin >> v, v; } template<typename T, typename Uint, usize n, usize i> T in_v(typename std::enable_if<(i == n), c_arr<Uint, n>>::type) { return in<T>(); } template<typename T, typename Uint, usize n, usize i> auto in_v(typename std::enable_if<(i < n), c_arr<Uint, n>>::type& szs) { const usize s = (usize)szs[i]; std::vector<decltype(in_v<T, Uint, n, i + 1>(szs))> ans(s); for (usize j = 0; j < s; j++) { ans[j] = in_v<T, Uint, n, i + 1>(szs); } return ans; } template<typename T, typename Uint, usize n> auto in_v(c_arr<Uint, n> szs) { return in_v<T, Uint, n, 0>(szs); } template<typename... Types> auto in_t() { return std::tuple<std::decay_t<Types>...>{in<Types>()...}; } struct io_init { io_init() { std::cin.tie(nullptr), std::ios::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(20); } void clear() { std::cin.tie(), std::ios::sync_with_stdio(true); } } io_setting; int out() { return 0; } template<typename T> int out(const T& v) { return std::cout << v, 0; } template<typename T> int out(const std::vector<T>& v) { for (usize i = 0; i < v.size(); i++) { if (i > 0) { std::cout << ' '; } out(v[i]); } return 0; } template<typename T1, typename T2> int out(const std::pair<T1, T2>& v) { return out(v.first), std::cout << ' ', out(v.second), 0; } template<typename T, typename... Args> int out(const T& v, const Args... args) { return out(v), std::cout << ' ', out(args...), 0; } template<typename... Args> int outln(const Args... args) { return out(args...), std::cout << '\n', 0; } template<typename... Args> int outel(const Args... args) { return out(args...), std::cout << std::endl, 0; } # define SHOW(...) static_cast<void>(0) constexpr ull TEN(const usize n) { return n == 0 ? 1ULL : TEN(n - 1) * 10ULL; } template<typename T, typename Uint, usize n, usize i> auto make_v(typename std::enable_if<(i == n), c_arr<Uint, n>>::type, const T& v = T{}) { return v; } template<typename T, typename Uint, usize n, usize i> auto make_v(typename std::enable_if<(i < n), c_arr<Uint, n>>::type szs, const T& v = T{}) { const usize s = (usize)szs[i]; return std::vector<decltype(make_v<T, Uint, n, i + 1>(szs, v))>(s, make_v<T, Uint, n, i + 1>(szs, v)); } template<typename T, typename Uint, usize n> auto make_v(c_arr<Uint, n> szs, const T& t = T{}) { return make_v<T, Uint, n, 0>(szs, t); } template<typename Cost = usize> struct edge { using cost_type = Cost; usize u, v; Cost c; edge(const usize u, const usize v) : u{u}, v{v}, c{1} {} edge(const usize u, const usize v, const Cost& c) : u{u}, v{v}, c{c} {} operator usize() const { return v; } usize from() const { return u; } usize to() const { return v; } Cost cost() const { return c; } friend std::ostream& operator<<(std::ostream& os, const edge& e) { return os << e.u << "->" << e.v << ":" << e.c; } }; template<typename Edge> class base_graph { public: base_graph(const usize n) : v{n}, es(n), res(n) {} void add_edge(const usize u, const usize v, const bool bi = false) { es[u].emplace_back(u, v), res[v].emplace_back(v, u); if (bi) { es[v].emplace_back(v, u), res[u].emplace_back(u, v); } } template<typename Cost> void add_edge(const usize u, const usize v, const Cost& c, const bool bi = false) { es[u].emplace_back(u, v, c), res[v].emplace_back(v, u, c); if (bi) { es[v].emplace_back(v, u, c), res[u].emplace_back(u, v, c); } } std::vector<Edge>& operator[](const usize u) { return es[u]; } const std::vector<Edge>& operator[](const usize u) const { return es[u]; } std::vector<Edge>& from(const usize u) { return es[u]; } const std::vector<Edge>& from(const usize u) const { return es[u]; } std::vector<Edge>& to(const usize v) { return res[v]; } const std::vector<Edge>& to(const usize v) const { return res[v]; } usize size() const { return v; } friend std::ostream& operator<<(std::ostream& os, const base_graph& g) { for (usize i = 0; i < g.v; i++) { for (const auto& e : g.es[i]) { os << e << '\n'; } } return os; } private: usize v; std::vector<std::vector<Edge>> es, res; }; template<typename Edge> using base_tree = base_graph<Edge>; using graph = base_graph<edge<>>; using tree = base_graph<edge<>>; template<typename Cost> using cost_graph = base_graph<edge<Cost>>; template<typename Cost> using cost_tree = base_graph<edge<Cost>>; template<typename Edge = edge<>> class centroid { public: centroid(const base_tree<Edge>& tree) : cs(tree.size()) { const std::size_t sz = tree.size(); std::vector<std::size_t> sub(sz, 1); std::vector<bool> used(sz, false); auto size = [&, sz](auto&& self, const std::size_t s, const std::size_t p) -> std::size_t { sub[s] = 1; for (const auto& e : tree[s]) { const std::size_t to = e.to(); if (to == p or used[to]) { continue; } sub[s] += self(self, to, s); } return sub[s]; }; auto search = [&, sz](auto&& self, const std::size_t s, const std::size_t p, const std::size_t tot) -> std::size_t { for (const auto& e : tree[s]) { const std::size_t to = e.to(); if (p == to or used[to]) { continue; } if (sub[to] * 2 > tot) { return self(self, to, s, tot); } } return s; }; auto build = [&, sz](auto&& self, const std::size_t s, const std::size_t pc) -> std::size_t { const std::size_t tot = size(size, s, sz), c = search(search, s, sz, tot); used[c] = true; if (pc != sz) { cs.add_edge(pc, c); } for (const auto& e : tree[c]) { const std::size_t to = e.to(); if (not used[to]) { self(self, to, c); } } return c; }; build(build, 0, sz); } const tree& centros() const { return cs; } private: tree cs; }; int main() { const auto N = in<int>(); const auto K = in<int>(); cost_graph<int> g(N); for (int i = 0; i < N - 1; i++) { const auto u = in<int>() - 1, v = in<int>() - 1, c = in<int>() - 1; g.add_edge(u, v, c, true); } const auto cs = centroid(g).centros(); int c = 0; for (; c < N; c++) { if (cs.to(c).empty()) { break; } } SHOW(cs); std::vector<bool> used(N, false); ll ans = 0; mfp([&](auto&& self, const int c) -> void { used[c] = true; std::map<std::set<int>, int> total; // [A,B,C]->個数 std::vector<std::map<std::set<int>, int>> subs; // 部分木ごとの [A,B,C]->個数 total[std::set<int>{}]++; for (const auto& e : g[c]) { subs.push_back(std::map<std::set<int>, int>{}); const int ncolor = e.cost(); const int ns = e.to(); if (used[ns]) { continue; } mfp([&](auto&& self, const int s, const int p, const std::set<int>& cols) -> void { total[cols]++; subs.back()[cols]++; for (const auto& e : g[s]) { const int to = e.to(); const int color = e.cost(); if (to == p) { continue; } std::set<int> ncols = cols; ncols.insert(color); if (ncols.size() > 2) { continue; } self(self, to, s, ncols); } })(ns, c, std::set<int>{ncolor}); } SHOW(c); SHOW(total); SHOW(subs); ll sum = 0; std::map<int, int> total_monos; // [A?]->個数 std::vector<std::map<int, int>> sub_monos(subs.size()); // 部分木ごとの [A?]->個数 for (const auto& p : total) { const auto& st = p.first; for (const int c : st) { total_monos[c] += p.second; } } for (const int nc : cs[c]) { self(self, nc); } for (int i = 0; i < subs.size(); i++) { for (const auto& p : subs[i]) { const auto& st = p.first; for (const int c : st) { sub_monos[i][c] += p.second; } } } auto count = [&](const std::map<std::set<int>, int>& mp, const std::map<int, int>& mono) { ll zero = 0; ll one = 0; ll two = 0; for (const auto& p : mp) { const auto& st = p.first; const int cnt = p.second; if (st.size() == 0) { zero += cnt; } else if (st.size() == 1) { zero += one; } else if (st.size() == 2) { zero += two; } else { SHOW("HOGEHOGE"); } for (const int c : st) { } } ll ans = 0; for (const auto& p : mp) { const auto& st = p.first; const int cnt = p.second; if (st.size() == 0) { ans += two + one + zero; } else if (st.size() == 1) { ans += (mono.count(*st.begin()) ? mono.at(*st.begin()) : 0LL) - cnt; } else if (st.size() == 2) { } else { SHOW("HOGEHOGE"); } for (const int c : st) { } } }; })(c); return 0; }