結果
問題 | No.1197 モンスターショー |
ユーザー |
![]() |
提出日時 | 2020-08-22 17:48:42 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,987 bytes |
コンパイル時間 | 4,639 ms |
コンパイル使用メモリ | 130,564 KB |
最終ジャッジ日時 | 2025-01-13 11:07:53 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 6 WA * 25 TLE * 10 |
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/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/Programming/Library/other/range.cpp"#line 4 "/Users/kodamankod/Desktop/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/Programming/Library/other/rev.cpp"#include <type_traits>#include <iterator>#line 6 "/Users/kodamankod/Desktop/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/Programming/Library/other/fix_point.cpp"#line 4 "/Users/kodamankod/Desktop/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 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;constexpr i32 Bucket = 300;struct query_type {i32 vertex, index;query_type(): vertex(0), index(0) { }};int main() {std::ios_base::sync_with_stdio(false);std::cin.tie(nullptr);i32 N, K, Q;std::cin >> N >> K >> Q;std::vector<i32> C(K);for (auto &x: C) {std::cin >> x;--x;}std::vector<std::vector<i32>> graph(N);for (auto i: range(1, N)) {i32 u, v;std::cin >> u >> v;--u; --v;graph[u].push_back(v);graph[v].push_back(u);}std::vector<std::array<i32, 17>> parent(N);std::vector<i32> depth(N);fix_point([&](auto dfs, i32 u, i32 p) -> void {if (p == -1) {depth[u] = 0;parent[u][0] = u;}else {depth[u] = depth[p] + 1;parent[u][0] = p;}for (auto v: graph[u]) {if (v != p) {dfs(v, u);}}})(0, -1);for (auto j: range(0, 16)) {for (auto i: range(0, N)) {parent[i][j + 1] = parent[parent[i][j]][j];}}auto lca = [&](i32 u, i32 v) {if (depth[u] > depth[v]) {std::swap(u, v);}auto dif = depth[v] - depth[u];for (auto j: range(0, 17)) {if (dif & 1) {v = parent[v][j];}dif >>= 1;}if (u == v) {return u;}for (auto j: rev(range(0, 17))) {if (parent[u][j] != parent[v][j]) {u = parent[u][j];v = parent[v][j];}}return parent[u][0];};auto calc = [&](i32 u, i32 v) {return depth[u] + depth[v] - 2 * depth[lca(u, v)];};std::vector<query_type> query(Q);std::vector<i64> answer;for (auto &[v, i]: query) {i32 type;std::cin >> type;if (type == 1) {std::cin >> i >> v;--i; --v;}else {std::cin >> v;--v;answer.push_back(0);i = -((i32) answer.size());}}const i32 Block = (Q + Bucket - 1) / Bucket;for (auto steps: range(0, Block)) {const i32 first = steps * Bucket;const i32 last = std::min<i32>((steps + 1) * Bucket, Q);std::vector<i64> size(N), dist(N);std::vector<bool> stable(K, true);std::vector<i32> indices;for (auto i: range(first, last)) {if (query[i].index >= 0) {indices.push_back(query[i].index);stable[query[i].index] = false;}}for (auto i: range(0, K)) {if (stable[i]) {++size[C[i]];}}fix_point([&](auto dfs, i32 u, i32 p) -> void {for (auto v: graph[u]) {if (v != p) {dfs(v, u);size[u] += size[v];dist[u] += dist[v] + size[v];}}})(0, -1);fix_point([&](auto dfs, i32 u, i32 p, i64 s, i64 d) -> void {for (auto v: graph[u]) {if (v == p) {size[u] += s;dist[u] += s + d;}}for (auto v: graph[u]) {if (v != p) {dfs(v, u, size[u] - size[v], dist[u] - (size[v] + dist[v]));}}})(0, -1, 0, 0);for (auto i: range(first, last)) {if (query[i].index >= 0) {C[query[i].index] = query[i].vertex;}else {const auto j = -(query[i].index + 1);answer[j] += dist[query[i].vertex];for (auto k: indices) {answer[j] += calc(query[i].vertex, C[k]);}}}}for (auto x: answer) {std::cout << x << '\n';}return 0;}