結果

問題 No.1197 モンスターショー
ユーザー KoD
提出日時 2020-08-22 17:55:26
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 7,010 bytes
コンパイル時間 4,735 ms
コンパイル使用メモリ 130,024 KB
最終ジャッジ日時 2025-01-13 11:15:42
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 6 WA * 28 TLE * 7
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#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 = 400;
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 {
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(0, N)) {
// std::cout << size[i] << ' ' << dist[i] << '\n';
// }
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;
}
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