結果
問題 | No.2163 LCA Sum Query |
ユーザー | hotman78 |
提出日時 | 2022-12-12 20:07:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 15,798 bytes |
コンパイル時間 | 6,411 ms |
コンパイル使用メモリ | 292,840 KB |
実行使用メモリ | 40,832 KB |
最終ジャッジ日時 | 2024-11-06 20:42:33 |
合計ジャッジ時間 | 50,995 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 3 ms
6,820 KB |
testcase_02 | AC | 8 ms
6,816 KB |
testcase_03 | AC | 8 ms
6,820 KB |
testcase_04 | AC | 11 ms
6,816 KB |
testcase_05 | AC | 11 ms
6,820 KB |
testcase_06 | AC | 5 ms
6,820 KB |
testcase_07 | AC | 4 ms
6,816 KB |
testcase_08 | AC | 6 ms
6,820 KB |
testcase_09 | AC | 9 ms
6,816 KB |
testcase_10 | AC | 11 ms
6,816 KB |
testcase_11 | AC | 7 ms
6,816 KB |
testcase_12 | AC | 2,359 ms
7,680 KB |
testcase_13 | AC | 3,353 ms
32,640 KB |
testcase_14 | AC | 2,325 ms
37,504 KB |
testcase_15 | AC | 801 ms
6,816 KB |
testcase_16 | AC | 1,932 ms
32,896 KB |
testcase_17 | AC | 2,141 ms
17,408 KB |
testcase_18 | AC | 1,374 ms
6,816 KB |
testcase_19 | AC | 940 ms
6,820 KB |
testcase_20 | AC | 152 ms
16,000 KB |
testcase_21 | AC | 988 ms
18,048 KB |
testcase_22 | AC | 5,306 ms
40,832 KB |
testcase_23 | AC | 4,386 ms
40,832 KB |
testcase_24 | AC | 4,969 ms
39,552 KB |
testcase_25 | AC | 4,250 ms
39,552 KB |
testcase_26 | TLE | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
コンパイルメッセージ
main.cpp:99:9: warning: #pragma once in main file 99 | #pragma once | ^~~~
ソースコード
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx2") #include<bits/stdc++.h> using namespace std; struct __INIT__{__INIT__(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}}__INIT__; typedef long long lint; #define INF (1LL<<60) #define IINF (1<<30) #define EPS (1e-10) #define endl ('\n') typedef vector<lint> vec; typedef vector<vector<lint>> mat; typedef vector<vector<vector<lint>>> mat3; typedef vector<string> svec; typedef vector<vector<string>> smat; template<typename T>using V=vector<T>; template<typename T>using VV=V<V<T>>; template<typename T>inline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i;f=1;}cout<<endl;} template<typename T>inline void output2(T t){for(auto i:t)output(i);} template<typename T>inline void debug(T t){ #ifdef LOCAL bool f=0;for(auto i:t){cerr<<(f?" ":"")<<i;f=1;}cerr<<endl; #endif } template<typename T>inline void debug2(T t){for(auto i:t)debug(i);} #define loop(n) for(long long _=0;_<(long long)(n);++_) #define _overload4(_1,_2,_3,_4,name,...) name #define __rep(i,a) repi(i,0,a,1) #define _rep(i,a,b) repi(i,a,b,1) #define repi(i,a,b,c) for(long long i=(long long)(a);i<(long long)(b);i+=c) #define rep(...) _overload4(__VA_ARGS__,repi,_rep,__rep)(__VA_ARGS__) #define _overload3_rev(_1,_2,_3,name,...) name #define _rep_rev(i,a) repi_rev(i,0,a) #define repi_rev(i,a,b) for(long long i=(long long)(b)-1;i>=(long long)(a);--i) #define rrep(...) _overload3_rev(__VA_ARGS__,repi_rev,_rep_rev)(__VA_ARGS__) // #define rep(i,...) for(auto i:range(__VA_ARGS__)) // #define rrep(i,...) for(auto i:reversed(range(__VA_ARGS__))) // #define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i) // #define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i) // #define irep(i) for(lint i=0;;++i) // inline vector<long long> range(long long n){if(n<=0)return vector<long long>();vector<long long>v(n);iota(v.begin(),v.end(),0LL);return v;} // inline vector<long long> range(long long a,long long b){if(b<=a)return vector<long long>();vector<long long>v(b-a);iota(v.begin(),v.end(),a);return v;} // inline vector<long long> range(long long a,long long b,long long c){if((b-a+c-1)/c<=0)return vector<long long>();vector<long long>v((b-a+c-1)/c);for(int i=0;i<(int)v.size();++i)v[i]=i?v[i-1]+c:a;return v;} // template<typename T>inline T reversed(T v){reverse(v.begin(),v.end());return v;} #define all(n) begin(n),end(n) template<typename T,typename E>bool chmin(T& s,const E& t){bool res=s>t;s=min<T>(s,t);return res;} template<typename T,typename E>bool chmax(T& s,const E& t){bool res=s<t;s=max<T>(s,t);return res;} // const array<lint,8> dx={1,0,-1,0,1,1,-1,-1}; // const array<lint,8> dy={0,1,0,-1,1,-1,1,-1}; // const string ds="RDLU"; #define SUM(v) accumulate(all(v),0LL) #if __cplusplus>=201703L template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else return vector(arg,make_vector<T>(x,args...));} #endif #define extrep(v,...) for(auto v:__MAKE_MAT__({__VA_ARGS__})) #define bit(n,a) ((n>>a)&1) vector<vector<long long>> __MAKE_MAT__(vector<long long> v){if(v.empty())return vector<vector<long long>>(1,vector<long long>());long long n=v.back();v.pop_back();vector<vector<long long>> ret;vector<vector<long long>> tmp=__MAKE_MAT__(v);for(auto e:tmp)for(long long i=0;i<n;++i){ret.push_back(e);ret.back().push_back(i);}return ret;} using graph=vector<vector<int>>; template<typename T>using graph_w=vector<vector<pair<int,T>>>; #if __cplusplus>=201703L constexpr inline long long powll(long long a,long long b){long long res=1;while(b--)res*=a;return res;} #endif template<typename T,typename E>pair<T,E>& operator+=(pair<T,E>&s,const pair<T,E>&t){s.first+=t.first;s.second+=t.second;return s;} template<typename T,typename E>pair<T,E>& operator-=(pair<T,E>&s,const pair<T,E>&t){s.first-=t.first;s.second-=t.second;return s;} template<typename T,typename E>pair<T,E> operator+(const pair<T,E>&s,const pair<T,E>&t){auto res=s;return res+=t;} template<typename T,typename E>pair<T,E> operator-(const pair<T,E>&s,const pair<T,E>&t){auto res=s;return res-=t;} #define BEGIN_STACK_EXTEND(size) void * stack_extend_memory_ = malloc(size);void * stack_extend_origin_memory_;char * stack_extend_dummy_memory_ = (char*)alloca((1+(int)(((long long)stack_extend_memory_)&127))*16);*stack_extend_dummy_memory_ = 0;asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp":"=b"(stack_extend_origin_memory_):"a"((char*)stack_extend_memory_+(size)-1024)); #define END_STACK_EXTEND asm volatile("mov %%rax, %%rsp"::"a"(stack_extend_origin_memory_));free(stack_extend_memory_); #include<vector> #include<tuple> #include<iostream> /** * @brief グラフテンプレート */ using graph=std::vector<std::vector<int>>; template<typename T> using graph_w=std::vector<std::vector<std::pair<int,T>>>; graph load_graph(int n,int m){graph g(n);for(int i=0;i<m;++i){int s,t;std::cin>>s>>t;--s;--t;g[s].push_back(t);g[t].push_back(s);}return g;} graph load_digraph(int n,int m){graph g(n);for(int i=0;i<m;++i){int s,t;std::cin>>s>>t;--s;--t;g[s].push_back(t);}return g;} graph load_graph0(int n,int m){graph g(n);for(int i=0;i<m;++i){int s,t;std::cin>>s>>t;g[s].push_back(t);g[t].push_back(s);}return g;} graph load_digraph0(int n,int m){graph g(n);for(int i=0;i<m;++i){int s,t;std::cin>>s>>t;g[s].push_back(t);}return g;} graph load_tree(int n){graph g(n);for(int i=0;i<n-1;++i){int s,t;std::cin>>s>>t;--s;--t;g[s].push_back(t);g[t].push_back(s);}return g;} graph load_tree0(int n){graph g(n);for(int i=0;i<n-1;++i){int s,t;std::cin>>s>>t;g[s].push_back(t);g[t].push_back(s);}return g;} graph load_treep(int n){graph g(n);for(int i=0;i<n-1;++i){int t;std::cin>>t;g[i+1].push_back(t);g[t].push_back(i+1);}return g;} template<typename T>graph_w<T> load_graph_weight(int n,int m){graph_w<T> g(n);for(int i=0;i<m;++i){int s,t;T u;std::cin>>s>>t>>u;--s;--t;g[s].emplace_back(t,u);g[t].emplace_back(s,u);}return g;} template<typename T>graph_w<T> load_digraph_weight(int n,int m){graph_w<T> g(n);for(int i=0;i<m;++i){int s,t;T u;std::cin>>s>>t>>u;--s;--t;g[s].emplace_back(t,u);}return g;} template<typename T>graph_w<T> load_graph0_weight(int n,int m){graph_w<T> g(n);for(int i=0;i<m;++i){int s,t;T u;std::cin>>s>>t>>u;g[s].emplace_back(t,u);g[t].emplace_back(s,u);}return g;} template<typename T>graph_w<T> load_digraph0_weight(int n,int m){graph_w<T> g(n);for(int i=0;i<m;++i){int s,t;T u;std::cin>>s>>t>>u;g[s].emplace_back(t,u);}return g;} template<typename T>graph_w<T> load_tree_weight(int n){graph_w<T> g(n);for(int i=0;i<n-1;++i){int s,t;T u;std::cin>>s>>t>>u;--s;--t;g[s].emplace_back(t,u);g[t].emplace_back(s,u);}return g;} template<typename T>graph_w<T> load_tree0_weight(int n){graph_w<T> g(n);for(int i=0;i<n-1;++i){int s,t;T u;std::cin>>s>>t>>u;g[s].emplace_back(t,u);g[t].emplace_back(s,u);}return g;} template<typename T>graph_w<T> load_treep_weight(int n){graph_w<T> g(n);for(int i=0;i<n-1;++i){int t;T u;std::cin>>t>>u;g[i+1].emplace_back(t,u);g[t].emplace_back(i+1,u);}return g;} #pragma once #include<cassert> /** * @brief Maybe * @see https://ja.wikipedia.org/wiki/%E3%83%A2%E3%83%8A%E3%83%89_(%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0)#Maybe%E3%83%A2%E3%83%8A%E3%83%89 */ template<typename T> struct maybe{ bool _is_none; T val; maybe():_is_none(true){} maybe(T val):_is_none(false),val(val){} T unwrap()const{ assert(!_is_none); return val; } T unwrap_or(T e)const{ return _is_none?e:val; } bool is_none()const{return _is_none;} bool is_some()const{return !_is_none;} }; template<typename T,typename F> auto expand(F op){ return [&op](const maybe<T>& __s,const maybe<T>& __t)->maybe<T>{ if(__s.is_none())return __t; if(__t.is_none())return __s; return maybe<T>(op(__s.unwrap(),__t.unwrap())); }; } template<typename T,typename E,typename F,typename G,typename H> class lazy_segment_tree{ using i64=long long; i64 n; i64 sz; struct node; using np=node*; struct node{ maybe<T> val=maybe<T>(); maybe<E> lazy=maybe<E>(); np lch=nullptr,rch=nullptr; node(){} }; np root=new node(); maybe<T> update(i64 a,i64 b,E x,i64 l,i64 r,np t){ auto f=expand<T,F>(_f); eval(t,l,r); //区間外 if(r<=a||b<=l)return t->val; //全部区間内 if(a<=l&&r<=b){ t->lazy=x; eval(t,l,r); return t->val; } //一部区間内 return t->val=f(update(a,b,x,l,(l+r)/2,t->lch),update(a,b,x,(l+r)/2,r,t->rch)); } maybe<T> get(i64 a,i64 b,i64 l,i64 r,np t){ auto f=expand<T,F>(_f); eval(t,l,r); //区間外 if(r<=a||b<=l)return maybe<T>(); //全部区間内 if(a<=l&&r<=b)return t->val; //一部区間内 return f(get(a,b,l,(l+r)/2,t->lch),get(a,b,(l+r)/2,r,t->rch)); } void eval(np t,i64 l,i64 r){ auto g=expand<E,G>(_g); if(r-l>1){ if(!t->lch)t->lch=new node(); if(!t->rch)t->rch=new node(); t->lch->lazy=g(t->lch->lazy,t->lazy); t->rch->lazy=g(t->rch->lazy,t->lazy); } t->val=h(t->val,t->lazy,l,r); t->lazy=maybe<E>(); } F _f;G _g;H _h; maybe<T> h(const maybe<T>&s,const maybe<E>&t,i64 l,i64 r){ if(t.is_none())return s; else return maybe<T>(_h(s,t.unwrap(),l,r)); } public: lazy_segment_tree(i64 sz,F f=F(),G g=G(),H h=H()):n(1),sz(sz),_f(f),_g(g),_h(h){while(n<sz)n<<=1;} //0-indexed [a,b) void update(i64 a,i64 b,E x){update(a,b,x,0,n,root);} //0-indexed [a,b) maybe<T> get(i64 a,i64 b){return get(a,b,0,n,root);} }; template<typename T,typename E,typename F,typename G,typename H> class HLD_lazy{ int child_size(const graph& v,int n,int p){ int cnt=0; for(auto t:v[n]){ if(t!=p)cnt+=child_size(v,t,n); } return sz[n]=cnt+1; } void make(const graph& v,int root){ sz=new int[v.size()]; vertex=new int[v.size()]; par=new int[v.size()]; head=new int[v.size()]; heavy=new int[v.size()]; child_size(v,root,-1); stack<tuple<int,int>>stk; stk.emplace(root,-1); int idx=0; par[root]=root; head[root]=root; while(!stk.empty()){ int n,p; tie(n,p)=stk.top(); stk.pop(); vertex[n]=idx++; heavy[n]=-1; int mx=0; for(auto t:v[n])if(t!=p&&mx<sz[t]){ mx=sz[t]; heavy[n]=t; } for(auto t:v[n]){ if(t!=heavy[n]&&t!=p){ par[t]=n; head[t]=t; stk.emplace(t,n); } } if(heavy[n]!=-1){ par[heavy[n]]=par[n]; head[heavy[n]]=head[n]; stk.emplace(heavy[n],n); } } } int* sz; int* vertex; int* par; int* head; int* heavy; F _f;G _g;H _h; lazy_segment_tree<T,E,F,G,H>* seg; public: HLD_lazy(const graph& v,int root=0,F f=F(),G g=G(),H h=H()):_f(f),_g(g),_h(h){ make(v,root); seg=new lazy_segment_tree<T,E,F,G,H>(v.size(),f,g,h); } HLD_lazy(const graph& v,const vector<T>& a,int root=0,F f=F(),G g=G(),H h=H()):_f(f),_g(g),_h(h){ vector<T>tmp(v.size()); make(v,root); for(int i=0;i<(int)v.size();i++){ tmp[vertex[i]]=a[i]; } seg=new lazy_segment_tree(tmp,f,g,h); } // uからvに一つ進んだ点(vがuの子のときのみ) int next_u(int u,int v){ while(1){ if(par[v]==u){ if(head[v]!=par[v]){ return head[v]; }else{ return heavy[u]; } } else if(sz[u]>sz[head[v]])v=par[v]; else return heavy[u]; } } int dist(int l,int r){ int res=0; while(1){ if(head[l]==head[r])return sz[l]>sz[r]?l:r; else if(sz[head[l]]>sz[head[r]])r=par[r]; else l=par[l]; } } int lca(int l,int r){ while(1){ if(head[l]==head[r])return sz[l]>sz[r]?l:r; else if(sz[head[l]]>sz[head[r]])r=par[r]; else l=par[l]; } } inline void update_vertex(int u,E x){ update_seg(vertex[u],vertex[u],x); } inline maybe<T> get_vertex(int u){ return get_seg(vertex[u],vertex[u]); } inline void update_subtree(int u,E x){ update_seg(vertex[u],vertex[u]+sz[u]-1,x); } inline maybe<T> get_subtree(int u){ return get_seg(vertex[u],vertex[u]+sz[u]-1); } maybe<T> get_seg(int u,int v){ if(u>v)swap(u,v); // cerr<<u<<" "<<v<<endl; return seg->get(u,v+1); } void update_seg(int u,int v,E x){ if(u>v)swap(u,v); seg->update(u,v+1,x); } void update_path(int u,int v,E x){ while(1){ if(head[u]==head[v]){ update_seg(vertex[u],vertex[v],x); break; } else if(sz[head[u]]>sz[head[v]]){ update_seg(vertex[v],vertex[head[v]],x); v=par[v]; } else{ update_seg(vertex[u],vertex[head[u]],x); u=par[u]; } } } maybe<T> get_path(int u,int v){ auto f=expand<T,F>(_f); maybe<T> res; while(1){ if(head[u]==head[v]){ return f(res,get_seg(vertex[u],vertex[v])); } else if(sz[head[u]]>sz[head[v]]){ res=f(res,get_seg(vertex[v],vertex[head[v]])); v=par[v]; } else{ res=f(res,get_seg(vertex[u],vertex[head[u]])); u=par[u]; } } } }; int main(){ auto zero=make_tuple(0LL,0LL,0LL,0LL); lint n,q; cin>>n>>q; vector<vector<int>>g(n); rep(i,n-1){ lint s,t; cin>>s>>t; s--;t--; g[s].emplace_back(t); g[t].emplace_back(s); } auto f_=[](auto s,auto t) { auto [a,b,c,d]=s; auto [e,f,g,h]=t; return make_tuple(a+e,b+f,c+g,d+h); }; auto g_=[](auto s,auto t) { auto [a,b,c]=s; auto [p,q,r]=t; return make_tuple(a+p,b+q,c+r); }; auto h_=[&](auto s,auto t,auto ll,auto rr) { auto [a,b,c,d]=s.unwrap_or(zero); auto [p,q,r]=t; d+=r; // cerr<<c<<a<<b<<p<<q<<c+a*q+b*p+p*q<<endl; return make_tuple(a+p*d,b+q*d,c+a*q+b*p+d*p*q,d); }; auto h2_=[&](auto s,auto t,auto ll,auto rr) { return s.unwrap_or(0)+t; }; HLD_lazy<tuple<lint,lint,lint,int>,tuple<lint,lint,int>,decltype(f_),decltype(g_),decltype(h_)>hld1(g,0,f_,g_,h_),hld2(g,0,f_,g_,h_); HLD_lazy<int,int,plus<int>,plus<int>,decltype(h2_)>sz(g,0,plus<int>(),plus<int>(),h2_),sum(g,0,plus<int>(),plus<int>(),h2_); vector<lint>par(n); par[0]=-1; auto dfs=[&](auto dfs,lint now,lint p)->void { for(auto e:g[now]){ if(e==p)continue; par[e]=now; dfs(dfs,e,now); } }; dfs(dfs,0,-1); rep(i,n){ hld1.update_vertex(i,make_tuple(0LL,0LL,i-par[i])); hld2.update_vertex(i,make_tuple(0LL,0LL,i-par[i])); } set<lint>s; while(q--){ lint u,r,v; cin>>u>>r>>v; u--;r--;v--; if(s.count(u)){ s.erase(u); hld1.update_path(0,u,make_tuple(-1LL,-1LL,0LL)); hld2.update_path(0,u,make_tuple(1LL,-1LL,0LL)); hld2.update_subtree(0,make_tuple(-1LL,0LL,0LL)); sz.update_vertex(u,-1); sum.update_vertex(u,-u-1); }else{ s.emplace(u); hld1.update_path(0,u,make_tuple(1LL,1LL,0LL)); hld2.update_path(0,u,make_tuple(-1LL,1LL,0LL)); hld2.update_subtree(0,make_tuple(1LL,0LL,0LL)); sz.update_vertex(u,1); sum.update_vertex(u,u+1); } // 1を根として見た時のvの部分木かつSに含まれる集合の頂点番号の総和 auto s1v=[&](auto v){ return sum.get_subtree(v).unwrap_or(0); }; // 1を根として見た時のvの部分木かつSに含まれる集合の個数 auto c1v=[&](auto v){ return sz.get_subtree(v).unwrap_or(0); }; // r=1の時の解 auto f1v=[&](auto v){ lint c=c1v(v); return (get<2>(hld1.get_subtree(v).unwrap_or(zero))+c*c*(par[v]+1)-s1v(v))/2; }; // r=vの時の解 auto fvv=[&](auto v){ return f1v(0)+get<2>(hld2.get_path(0,v).unwrap_or(zero)); }; if(r==v){ cout<<fvv(v)<<endl; }else if(hld1.lca(r,v)!=v){ cout<<f1v(v)<<endl; }else{ lint x=hld1.next_u(v,r); lint c1x=c1v(x); // bool ok=0; // for(auto e:g[v]){ // if(x==e)ok=1; // } // assert(ok); cout<<fvv(v)-f1v(x)-(v+1)*c1x*(s.size()-c1x)<<endl; } } }