結果
問題 | No.1197 モンスターショー |
ユーザー |
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提出日時 | 2020-08-23 06:19:53 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 447 ms / 3,000 ms |
コード長 | 11,168 bytes |
コンパイル時間 | 3,028 ms |
コンパイル使用メモリ | 213,160 KB |
最終ジャッジ日時 | 2025-01-13 12:20:15 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 41 |
ソースコード
// >>> TEMPLATES#include <bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;using i32 = int32_t;using i64 = int64_t;using u32 = uint32_t;using u64 = uint64_t;#define int ll#define double ld#define rep(i,n) for (int i = 0; i < (int)(n); i++)#define rep1(i,n) for (int i = 1; i <= (int)(n); i++)#define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--)#define rep1R(i,n) for (int i = (int)(n); i >= 1; i--)#define loop(i,a,B) for (int i = a; i B; i++)#define loopR(i,a,B) for (int i = a; i B; i--)#define all(x) (x).begin(), (x).end()#define allR(x) (x).rbegin(), (x).rend()#define pb push_back#define eb emplace_back#define mp make_pair#define fst first#define snd secondtemplate <class Int> auto constexpr inf = numeric_limits<Int>::max()/2-1;auto constexpr INF32 = inf<int32_t>;auto constexpr INF64 = inf<int64_t>;auto constexpr INF = inf<int>;#ifdef LOCAL#include "debug.hpp"#else#define dump(...) (void)(0)#define say(x) (void)(0)#define debug if (0)#endiftemplate <class T> using pque_max = priority_queue<T>;template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >;template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; }template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; }template <class T, class S> ostream& operator<<(ostream& os, pair<T,S> const& p) { return os << "(" << p.first << ", " << p.second << ")"; }template <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; }struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup;template <class F> struct FixPoint : private F {constexpr FixPoint(F&& f) : F(forward<F>(f)) {}template <class... T> constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward<T>(x)...); }};struct MakeFixPoint {template <class F> constexpr auto operator|(F&& f) const { return FixPoint<F>(forward<F>(f)); }};#define MFP MakeFixPoint()|#define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__)template <class T, size_t d> struct vec_impl {using type = vector<typename vec_impl<T,d-1>::type>;template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); }};template <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } };template <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type;template <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); }template <class T> void quit(T const& x) { cout << x << endl; exit(0); }template <class T, class U> constexpr bool chmin(T& x, U const& y) { if (x > y) { x = y; return true; } return false; }template <class T, class U> constexpr bool chmax(T& x, U const& y) { if (x < y) { x = y; return true; } return false; }template <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); }template <class T> int sz(T const& x) { return x.size(); }template <class C, class T> int lbd(C const& v, T const& x) {return lower_bound(v.begin(), v.end(), x)-v.begin();}template <class C, class T> int ubd(C const& v, T const& x) {return upper_bound(v.begin(), v.end(), x)-v.begin();}const int dx[] = { 1,0,-1,0 };const int dy[] = { 0,1,0,-1 };constexpr int popcnt(ll x) { return __builtin_popcountll(x); }template <class Int> struct Random {mt19937_64 mt{random_device{}()};//mt19937_64 mt{(unsigned)time(0)};Int a,b; // [a,b]Random(Int a, Int b) : a(a), b(b) {}Int operator()() { return uniform_int_distribution<Int>(a,b)(mt); }};template <class Int> Int rand(Int a, Int b) { // [a,b]static mt19937_64 mt{random_device{}()};return uniform_int_distribution<Int>(a,b)(mt);}// <<<// >>> HLDstruct HLD {vector<vector<int32_t>> g;vector<int32_t> vid,inv,head,sz,dep,par;bool built = false;HLD(int n) : g(n),vid(n),inv(n),head(n),sz(n,1),dep(n,0),par(n,-1) {}vector<int32_t> const& operator[](int i) const {assert(built);assert(0 <= i); assert(i < (int)g.size());return g[i];}void add_edge(int x, int y) {g[x].push_back(y);g[y].push_back(x);built = false;}void build(int root = 0) {dfs1(root);head[root] = root;int id = 0;dfs2(root,id);rep (x,g.size()) inv[vid[x]] = x;built = true;}int lca(int x, int y) const {assert(built);while (1) {if (vid[x] > vid[y]) swap(x,y);if (head[x] == head[y]) return x;y = par[head[y]];}}int dist(int x, int y) const {assert(built);return dep[x] + dep[y] - 2*dep[lca(x,y)];}int edge_id(int x, int y) const {assert(built);if (x == par[y]) return vid[y];if (y == par[x]) return vid[x];return -1;}vector<pair<int,int>> path(int x, int y, bool with_lca) const {assert(built);vector<pair<int,int>> ret;while (1) {if (vid[x] > vid[y]) swap(x,y);if (head[x] == head[y]) {ret.emplace_back(vid[x] + (with_lca ? 0 : 1), vid[y]+1);return ret;} else {ret.emplace_back(vid[head[y]], vid[y]+1);y = par[head[y]];}}}vector<pair<int,int>> vertices(int x, int y) const {return path(x,y,true);}vector<pair<int,int>> edges(int x, int y) const {return path(x,y,false);}void dfs1(int x) {for (auto &y : g[x]) {if (y == par[x]) {swap(y, g[x].back());g[x].pop_back();break;}}for (auto &y : g[x]) {par[y] = x;dep[y] = dep[x] + 1;dfs1(y);sz[x] += sz[y];if (sz[y] > sz[g[x][0]]) swap(y, g[x][0]);}}void dfs2(int x, int &id) {vid[x] = id++;for (auto y : g[x]) {head[y] = (y == g[x][0] ? head[x] : y);dfs2(y,id);}}};// <<<// >>> lazy segment treetemplate <class Handler>struct LazySegtree : Handler {static int32_t btmbit(int64_t x) { return x ? __builtin_ctzll(x) : -1; }// static int32_t btmbit(int32_t x) { return x ? __builtin_ctz(x) : -1; }using Value = typename Handler::Value;using Lazy = typename Handler::Lazy;using Handler::unit_value; // () -> Valueusing Handler::unit_action; // () -> Lazyusing Handler::merge; // (Value,Value) -> Valueusing Handler::act; // (Lazy,Lazy&,Value&) -> voidvector<Value> v;vector<Lazy> lz;int n;mutable Lazy tmp;LazySegtree() {}template <class... T> LazySegtree(T&&... x) { init(forward<T>(x)...); }template <class F, class = decltype(declval<F>()(0))>void init(int n, F gen) {assert(n >= 0); this->n = n;v.resize(2*n); lz.assign(n, unit_action());for (int i = 0; i < n; i++) v[n+i] = gen(i);for (int i = n-1; i >= 1; i--) v[i] = merge(v[2*i],v[2*i+1]);}void init(int n) { init(n, [&](int) { return unit_value(); }); }void init(int n, Value const& x) { init(n, [&](int) { return x; }); }void init(vector<Value> const& v) { init(v.size(), [&](int i) { return v[i]; }); }int size() const { return n; }void act(Lazy const& x, int i) { act(x, (i < n ? lz[i] : tmp), v[i]); }void flush(int k) {if (n <= k || lz[k] == unit_action()) return;act(lz[k], 2*k);act(lz[k], 2*k+1);lz[k] = unit_action();}void flush(int l, int r) {for (int p = __lg(l += n), q = __lg(r += n-1); q; --p,--q) {flush(l >> p); flush(r >> q);}}void build(int i) {i += n; i >>= btmbit(i);while (i >>= 1) v[i] = merge(v[2*i],v[2*i+1]);}Value get(int l, int r) {assert(0 <= l); assert(l <= r); assert(r <= n);flush(l,r);Value x = unit_value(), y = unit_value();for (l += n, r += n; l < r; l >>= 1, r >>= 1) {if (l&1) x = merge(x,v[l++]);if (r&1) y = merge(v[--r],y);}return merge(x,y);}void apply(int l, int r, Lazy const& x) {assert(0 <= l); assert(l <= r); assert(r <= n);flush(l,r);for (int a = l+n, b = r+n; a < b; a >>= 1, b >>= 1) {if (a&1) act(x, a++);if (b&1) act(x, --b);}build(l); build(r);}Value operator[](int i) const { return get(i); }Value get(int i) const {assert(0 <= i); assert(i < n);Value x = v[i += n];while (i >>= 1) act(lz[i], tmp, x);return x;}void set(int i, Value const& x) {assert(0 <= i); assert(i < n);for (int p = __lg(i += n); p; --p) flush(i >> p);for (v[i] = x; i >>= 1; ) v[i] = merge(v[2*i],v[2*i+1]);}vector<Value> dat() const {vector<Value> ret(size());for (int i = 0; i < size(); i++) ret[i] = get(i);return ret;}};// <<<struct RangeSumAdd {using Value = pair<int,int>; // (value, node length)using Lazy = int;constexpr static Value unit_value() { return {0,0}; }constexpr static Lazy unit_action() { return 0; }constexpr static Value merge(Value const& x, Value const& y) {return { x.fst + y.fst, x.snd + y.snd };}static void act(Lazy x, Lazy &y, Value &z) {y += x;z.fst += x * z.snd;}};int32_t main() {int n,k,q; cin >> n >> k >> q;vector<int> c(k);rep (i,k) cin >> c[i], --c[i];HLD g(n);rep (_,n-1) {int a,b; cin >> a >> b; --a,--b;g.add_edge(a,b);}g.build();LazySegtree<RangeSumAdd> seg(n,mp(0,1));int sum = 0;for (int x : c) {sum += g.dep[x];for (auto [l,r] : g.edges(0,x)) {seg.apply(l,r,+1);}}rep (_,q) {int t; cin >> t;if (t == 1) {int p,d; cin >> p >> d; --p,--d;sum -= g.dep[c[p]];sum += g.dep[d];for (auto [l,r] : g.edges(0,c[p])) {seg.apply(l,r,-1);}for (auto [l,r] : g.edges(0,d)) {seg.apply(l,r,+1);}c[p] = d;} else {int e; cin >> e; --e;int ans = sum + g.dep[e] * k;for (auto [l,r] : g.edges(0,e)) {ans -= 2*seg.get(l,r).fst;}cout << ans << "\n";}}}