結果
| 問題 |
No.1197 モンスターショー
|
| コンテスト | |
| ユーザー |
tute7627
|
| 提出日時 | 2020-08-22 16:10:45 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 719 ms / 3,000 ms |
| コード長 | 9,865 bytes |
| コンパイル時間 | 2,995 ms |
| コンパイル使用メモリ | 218,696 KB |
| 最終ジャッジ日時 | 2025-01-13 10:02:56 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
//#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
#define lfs cout<<fixed<<setprecision(10)
#define ALL(a) (a).begin(),(a).end()
#define ALLR(a) (a).rbegin(),(a).rend()
#define spa << " " <<
#define fi first
#define se second
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define EB emplace_back
#define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++)
#define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--)
using ll = long long;
using ld = long double;
const ll MOD1 = 1e9+7;
const ll MOD9 = 998244353;
const ll INF = 1e18;
using P = pair<ll, ll>;
template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;}
template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;}
ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});}
void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;}
void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;}
void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;}
template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;}
template<typename T>void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}};
void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++){for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}};
template<typename T>void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;};
template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;}
ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;}
vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1};
template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);}
template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));}
template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;}
template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;}
//mt19937 mt(chrono::steady_clock::now().time_since_epoch().count());
template< typename Monoid, typename OperatorMonoid,typename F, typename G, typename H>
struct LazySegmentTree {
ll sz, height, n;
vector< Monoid > data;
vector< OperatorMonoid > lazy;
const F f;
const G g;
const H h;
Monoid M1;
OperatorMonoid OM0;
LazySegmentTree(ll n, const F &f,const G &g, const H &h, Monoid M1, OperatorMonoid OM0):n(n),f(f),g(g),h(h),M1(M1),OM0(OM0){
sz = 1;
height = 0;
while(sz < n) sz <<= 1, height++;
data.assign(2 * sz, M1);
lazy.assign(2 * sz, OM0);
}
void set(ll k, const Monoid &x) {
data[k + sz] = x;
}
void build() {
for(ll k = sz - 1; k > 0; k--) {
data[k] = f(data[2 * k + 0], data[2 * k + 1]);
}
}
inline void propagate(ll k) {
if(lazy[k] != OM0) {
lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
data[k] = reflect(k);
lazy[k] = OM0;
}
}
inline Monoid reflect(ll k) {
return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]);
}
inline void recalc(ll k) {
while(k >>= 1) data[k] = f(reflect(2 * k + 0), reflect(2 * k + 1));
}
inline void thrust(ll k) {
for(ll i = height; i > 0; i--) propagate(k >> i);
}
void update(ll a, ll b, const OperatorMonoid &x) {
if(a>=b)return;
thrust(a += sz);
thrust(b += sz - 1);
for(ll l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if(l & 1) lazy[l] = h(lazy[l], x), ++l;
if(r & 1) --r, lazy[r] = h(lazy[r], x);
}
recalc(a);
recalc(b);
}
Monoid query(ll a, ll b) {
thrust(a += sz);
thrust(b += sz - 1);
Monoid L = M1, R = M1;
for(ll l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if(l & 1) L = f(L, reflect(l++));
if(r & 1) R = f(reflect(--r), R);
}
return f(L, R);
}
Monoid operator[](const ll &k) {
return query(k, k + 1);
}
template< typename C >
ll find_subtree(ll a, const C &check, Monoid &M, bool type) {
while(a < sz) {
propagate(a);
Monoid nxt = type ? f(reflect(2 * a + type), M) : f(M, reflect(2 * a + type));
if(check(nxt)) a = 2 * a + type;
else M = nxt, a = 2 * a + 1 - type;
}
return a - sz;
}
template< typename C >
ll find_first(ll a, const C &check) {
Monoid L = M1;
if(a <= 0) {
if(check(f(L, reflect(1)))) return find_subtree(1, check, L, false);
return -1;
}
thrust(a + sz);
ll b = sz;
for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
if(a & 1) {
Monoid nxt = f(L, reflect(a));
if(check(nxt)) return find_subtree(a, check, L, false);
L = nxt;
++a;
}
}
return -1;
}
template< typename C >
ll find_last(ll b, const C &check) {
Monoid R = M1;
if(b >= sz) {
if(check(f(reflect(1), R))) return find_subtree(1, check, R, true);
return -1;
}
thrust(b + sz - 1);
ll a = sz;
for(b += sz; a < b; a >>= 1, b >>= 1) {
if(b & 1) {
Monoid nxt = f(reflect(--b), R);
if(check(nxt)) return find_subtree(b, check, R, true);
R = nxt;
}
}
return -1;
}
void print(){
for(ll i=0;i<n;i++)if((*this)[i]==M1)cout<<"x|";else cout<<(*this)[i]<<"|";
cout<<endl;
}
};
struct edge{
ll to=-1;
edge(){};
edge(ll t):to(t){};
};
struct HLD{
ll n, root;
ll cnt = 0;
vector<ll>sz;//部分木サイズ
vector<ll>par,head;
vector<vector<struct edge>>g;//隣接リスト
vector<struct edge>edges;//データ構造に乗せるedge列
vector<ll>in,out;//[in,out)で部分木、[ina,inb]でa~bのパス(aが上)
//inは頂点のindexを表す。また、edge列の下側の頂点である
HLD(vector<vector<struct edge>>&G,ll r = -1)
:g(G),n(G.size()),root(r){
par.assign(n,-1),in.assign(n,-1);
out.assign(n,-1),head.assign(n,-1),sz.assign(n,-1);
edges.assign(n,edge());
dfs_build();
}
void dfs_build(){
if(root == -1){//根がどこでも良い場合(森でも可)
for(ll i=0;i<n;i++){
if(sz[i] == -1){
head[i] = i;
dfs_sz(i);
dfs_hld(i);
}
}
}
else{
head[root] = root;
dfs_sz(root);
dfs_hld(root);
}
}
void dfs_sz(ll k){
sz[k] = 1;
for(auto &e: g[k]){
if(e.to == par[k])continue;
par[e.to] = k;
dfs_sz(e.to);
sz[k] += sz[e.to];
if(sz[e.to] > sz[g[k][0].to])swap(e, g[k][0]);
}
}
void dfs_hld(ll k){
in[k] = cnt++;
for(auto e:g[k]){
if(e.to == par[k])continue;
head[e.to] = (e.to == g[k][0].to ? head[k]: e.to);
edges[cnt] = e;
dfs_hld(e.to);
}
out[k] = cnt;
}
ll lca(ll p,ll q){
while(1){
if(in[p] < in[q])swap(p,q);
if(head[p] == head[q])return q;
p = par[head[p]];
}
}
vector<pair<ll,ll>>query_path(ll p,ll q,bool isEdge=true){
ll r=lca(p,q);
vector<pair<ll,ll>>ret;
for(ll i=0;i<2;i++){
if(i == 1)swap(p,q);
while(1){
if(isEdge&&p==r)break;
if(head[p]==head[r]){
ret.emplace_back(in[r]+(isEdge?1:i),in[p]+1);
break;
}
ret.emplace_back(in[head[p]],in[p]+1);
p = par[head[p]];
}
}
return ret;
}
vector<vector<pair<ll,ll>>>query_order_path(ll p,ll q,bool isEdge=true){
//非可換クエリ用、配列0を順番を反転したデータ構造に、配列1を通常のデータ構造に
vector<vector<pair<ll,ll>>>ret(2);
ll r=lca(p,q);
for(ll i=0;i<2;i++){
if(i == 1)swap(p,q);
while(1){
if(isEdge&&p==r)break;
if(head[p]==head[r]){
if(i==0) ret[i].emplace_back(n-(in[p]+1),n-(in[r]+(isEdge?1:i)));
else ret[i].emplace_back(in[r]+(isEdge?1:i),in[p]+1);
break;
}
if(i==0) ret[i].emplace_back(n-(in[p]+1),n-(in[head[p]]));
else ret[i].emplace_back(in[head[p]],in[p]+1);
p = par[head[p]];
}
}
reverse(ret[1].begin(), ret[1].end());
return ret;
}
pair<ll,ll>query_subtree(ll p,bool isEdge=true){
return make_pair(in[p]+isEdge,out[p]);
}
};
int main(){
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
ll res=0,buf=0;
bool judge = true;
auto f=[&](P x,P y){
return MP(x.fi+y.fi,x.se+y.se);
};
auto g=[&](P x,ll y){
return MP(x.fi+x.se*y,x.se);
};
auto h=[&](ll x,ll y){
return x+y;
};
ll n,k,q;cin>>n>>k>>q;
LazySegmentTree<P,ll,decltype(f),decltype(g),decltype(h)>seg(n,f,g,h,MP(0,0),0);
vector<ll>c(k);
rep(i,0,k){
cin>>c[i];c[i]--;
}
vector<vector<edge>>gg(n);
rep(i,0,n-1){
ll u,v;cin>>u>>v;u--;v--;
gg[u].EB(v);
gg[v].EB(u);
}
HLD hld(gg,0);
vector<ll>dep(n);
{
auto dfs=[&](auto &&f,ll k,ll d,ll par)->void{
dep[k]=d;
for(auto e:gg[k]){
if(e.to==par)continue;
f(f,e.to,d+1,k);
}
};
dfs(dfs,0,0,-1);
}
rep(i,0,n)seg.set(i,P(k,1));
seg.build();
auto ope=[&](ll pos,ll add){
auto p=hld.query_path(0,pos,false);
for(auto z:p){
seg.update(z.fi,z.se,-add*2);
}
seg.update(hld.in[0],hld.in[0]+1,add*(dep[pos]+1));
};
//debug(hld.in,n);
//debug(dep,n);
//seg.print();
rep(i,0,k){
ope(c[i],1);
//seg.print();
}
while(q--){
ll type;cin>>type;
if(type==1){
ll p,d;cin>>p>>d;p--;d--;
ope(c[p],-1);
c[p]=d;
ope(c[p],1);
}
else{
ll e;cin>>e;e--;
auto p=hld.query_path(0,e,false);
ll ret=0;
for(auto z:p)ret+=seg.query(z.fi,z.se).fi;
cout<<ret<<endl;
}
}
return 0;
}
tute7627