結果
問題 | No.1030 だんしんぐぱーりない |
ユーザー | maroon_kuri |
提出日時 | 2020-04-17 22:08:41 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 171 ms / 2,000 ms |
コード長 | 7,690 bytes |
コンパイル時間 | 2,675 ms |
コンパイル使用メモリ | 192,800 KB |
実行使用メモリ | 33,540 KB |
最終ジャッジ日時 | 2024-10-03 13:17:13 |
合計ジャッジ時間 | 8,118 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 40 |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll=long long; #define int ll #define rng(i,a,b) for(int i=int(a);i<int(b);i++) #define rep(i,b) rng(i,0,b) #define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--) #define per(i,b) gnr(i,0,b) #define pb push_back #define eb emplace_back #define a first #define b second #define bg begin() #define ed end() #define all(x) x.bg,x.ed #define si(x) int(x.size()) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> void chmax(t&a,u b){if(a<b)a=b;} template<class t,class u> void chmin(t&a,u b){if(b<a)a=b;} template<class t> using vc=vector<t>; template<class t> using vvc=vc<vc<t>>; using pi=pair<int,int>; using vi=vc<int>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.a<<","<<p.b<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } #define mp make_pair #define mt make_tuple #define one(x) memset(x,-1,sizeof(x)) #define zero(x) memset(x,0,sizeof(x)) #ifdef LOCAL void dmpr(ostream&os){os<<endl;} template<class T,class... Args> void dmpr(ostream&os,const T&t,const Args&... args){ os<<t<<" "; dmpr(os,args...); } #define dmp2(...) dmpr(cerr,__LINE__,##__VA_ARGS__) #else #define dmp2(...) void(0) #endif using uint=unsigned; using ull=unsigned long long; template<class t,size_t n> ostream& operator<<(ostream&os,const array<t,n>&a){ return os<<vc<t>(all(a)); } template<int i,class T> void print_tuple(ostream&,const T&){ } template<int i,class T,class H,class ...Args> void print_tuple(ostream&os,const T&t){ if(i)os<<","; os<<get<i>(t); print_tuple<i+1,T,Args...>(os,t); } template<class ...Args> ostream& operator<<(ostream&os,const tuple<Args...>&t){ os<<"{"; print_tuple<0,tuple<Args...>,Args...>(os,t); return os<<"}"; } template<class t> void print(t x,int suc=1){ cout<<x; if(suc==1) cout<<"\n"; if(suc==2) cout<<" "; } ll read(){ ll i; cin>>i; return i; } vi readvi(int n,int off=0){ vi v(n); rep(i,n)v[i]=read()+off; return v; } template<class T> void print(const vector<T>&v,int suc=1){ rep(i,v.size()) print(v[i],i==int(v.size())-1?suc:2); } string readString(){ string s; cin>>s; return s; } template<class T> T sq(const T& t){ return t*t; } //#define CAPITAL void yes(bool ex=true){ #ifdef CAPITAL cout<<"YES"<<"\n"; #else cout<<"Yes"<<"\n"; #endif if(ex)exit(0); } void no(bool ex=true){ #ifdef CAPITAL cout<<"NO"<<"\n"; #else cout<<"No"<<"\n"; #endif if(ex)exit(0); } void possible(bool ex=true){ #ifdef CAPITAL cout<<"POSSIBLE"<<"\n"; #else cout<<"Possible"<<"\n"; #endif if(ex)exit(0); } void impossible(bool ex=true){ #ifdef CAPITAL cout<<"IMPOSSIBLE"<<"\n"; #else cout<<"Impossible"<<"\n"; #endif if(ex)exit(0); } constexpr ll ten(int n){ return n==0?1:ten(n-1)*10; } const ll infLL=LLONG_MAX/3; #ifdef int const int inf=infLL; #else const int inf=INT_MAX/2-100; #endif int topbit(signed t){ return t==0?-1:31-__builtin_clz(t); } int topbit(ll t){ return t==0?-1:63-__builtin_clzll(t); } int botbit(signed a){ return a==0?32:__builtin_ctz(a); } int botbit(ll a){ return a==0?64:__builtin_ctzll(a); } int popcount(signed t){ return __builtin_popcount(t); } int popcount(ll t){ return __builtin_popcountll(t); } bool ispow2(int i){ return i&&(i&-i)==i; } ll mask(int i){ return (ll(1)<<i)-1; } bool inc(int a,int b,int c){ return a<=b&&b<=c; } template<class t> void mkuni(vc<t>&v){ sort(all(v)); v.erase(unique(all(v)),v.ed); } ll rand_int(ll l, ll r) { //[l, r] #ifdef LOCAL static mt19937_64 gen; #else static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); #endif return uniform_int_distribution<ll>(l, r)(gen); } template<class t> void myshuffle(vc<t>&a){ rep(i,si(a))swap(a[i],a[rand_int(0,i)]); } template<class t> int lwb(const vc<t>&v,const t&a){ return lower_bound(all(v),a)-v.bg; } //VERIFY: yosupo //CF Global3 H //ARC073 F //point update template<class T,class F> struct SegTree{ vc<T> buf; int s; const F f; const T g; SegTree(F ff,T gg):f(ff),g(gg){} void init(const vc<T>& d){ int n=d.size(); s=1; while(s<n)s*=2; buf.resize(s*2,g); rep(i,n) buf[i+s]=d[i]; gnr(i,1,s) u(i); } SegTree(const vc<T>& d,F ff,T gg):f(ff),g(gg){ init(d); } void u(int i){ buf[i]=f(buf[i*2],buf[i*2+1]); } void set(int i,T t){ i+=s; buf[i]=t; while(i>>=1)u(i); } void upd(int i,T t){ i+=s; buf[i]=f(buf[i],t); while(i>>=1)u(i); } T get(int b,int e,int l,int r,int i){ if(e<=l||r<=b)return g; if(b<=l&&r<=e)return buf[i]; int m=(l+r)/2; return f(get(b,e,l,m,i*2),get(b,e,m,r,i*2+1)); } T get(int b,int e){ return get(b,e,0,s,1); } }; template<class T,class F> SegTree<T,F> segtree(const vc<T>& d,F f,T g){ return SegTree<T,F>(d,f,g); } //内部でグラフをいじるから in,out を使うときは注意 //VERIFY: yosupo //CF530F //CodeChef Persistent Oak //AOJ GRL5C template<class E> struct HLD{ vvc<E> g; int n,rt,cnt; vi sub,in,out,par,head,dep; int dfs1(int v,int p,int d){ par[v]=p; dep[v]=d; g[v].erase(remove(all(g[v]),p),g[v].ed); for(auto&e:g[v]){ sub[v]+=dfs1(e,v,d+1); if(sub[g[v][0]]<sub[e]) swap(g[v][0],e); } return sub[v]; } void dfs2(int v,int h){ in[v]=cnt++; head[v]=h; for(int to:g[v]) dfs2(to,to==g[v][0]?h:to); out[v]=cnt; } HLD(){} HLD(const vvc<E>&gg,int rr):g(gg),n(g.size()),rt(rr),cnt(0), sub(n,1),in(n),out(n),par(n,-1),head(n),dep(n){ dfs1(rt,-1,0); dfs2(rt,rt); } int lca(int a,int b){ while(head[a]!=head[b]){ if(dep[head[a]]>dep[head[b]]) swap(a,b); b=par[head[b]]; } if(dep[a]>dep[b]) swap(a,b); return a; } int len(int a,int b){ return dep[a]+dep[b]-dep[lca(a,b)]*2; } bool asde(int a,int b){ return in[a]<=in[b]&&out[b]<=out[a]; } //XX Opencup GP of Korea //CF625 F vi index; void init(){ index.resize(n); } //vs を含む virtual tree を返す //返すのは辺の集合 //辺の端点は,元の木における番号 //元の木における番号を virtual tree の頂点番号に写すのが,index という変数 vc<pi> tree_compress(vi vs){ assert(index.size()); auto comp = [&](int x,int y){ return in[x] < in[y]; }; sort(all(vs),comp); vs.erase(unique(all(vs)),vs.ed); int k = vs.size(); rep(i,k-1){ vs.pb(lca(vs[i],vs[i+1])); } sort(all(vs),comp); vs.erase(unique(all(vs)),vs.ed); k = vs.size(); rep(i,k) index[vs[i]] = i; vc<pi> es; rng(i,1,k){ int p = lca(vs[i-1],vs[i]); es.eb(vs[i],p); } return es; } vi val; void dfs(int v,int w){ chmax(w,val[v]); val[v]=w; for(auto c:g[v]){ dfs(c,w); } } void initval(vi raw){ val=raw; dfs(rt,0); } }; signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int n,k,q;cin>>n>>k>>q; vi c=readvi(n); vi a=readvi(k,-1); vvc<int> t(n); rep(i,n-1){ int x,y;cin>>x>>y; x--;y--; t[x].pb(y); t[y].pb(x); } HLD<int> h(t,0); h.initval(c); vc<pi> in(k),out(k); rep(i,k){ in[i]=pi(h.in[a[i]],a[i]); out[i]=pi(h.out[a[i]],a[i]); } auto pimin=[](pi x,pi y){return min(x,y);}; auto pimax=[](pi x,pi y){return max(x,y);}; auto segmin=segtree(in,pimin,pi(inf,-1)); auto segmax=segtree(out,pimax,pi(-inf,-1)); rep(_,q){ int z;cin>>z; if(z==1){ int x,y;cin>>x>>y; x--; y--; segmin.set(x,pi(h.in[y],y)); segmax.set(x,pi(h.out[y],y)); }else{ int l,r;cin>>l>>r; l--; dmp2(l,r); int x=segmin.get(l,r).b; int y=segmax.get(l,r).b; dmp2(x,y); int lca=h.lca(x,y); print(h.val[lca]); } } }