結果
問題 | No.899 γatheree |
ユーザー | blackyuki |
提出日時 | 2021-01-24 18:57:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 650 ms / 2,000 ms |
コード長 | 5,277 bytes |
コンパイル時間 | 2,655 ms |
コンパイル使用メモリ | 216,532 KB |
実行使用メモリ | 21,388 KB |
最終ジャッジ日時 | 2024-06-11 04:20:44 |
合計ジャッジ時間 | 15,736 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 635 ms
21,324 KB |
testcase_07 | AC | 622 ms
21,196 KB |
testcase_08 | AC | 634 ms
21,196 KB |
testcase_09 | AC | 634 ms
21,200 KB |
testcase_10 | AC | 630 ms
21,320 KB |
testcase_11 | AC | 626 ms
21,388 KB |
testcase_12 | AC | 629 ms
21,192 KB |
testcase_13 | AC | 638 ms
21,324 KB |
testcase_14 | AC | 630 ms
21,184 KB |
testcase_15 | AC | 650 ms
21,284 KB |
testcase_16 | AC | 639 ms
21,324 KB |
testcase_17 | AC | 629 ms
21,192 KB |
testcase_18 | AC | 634 ms
21,200 KB |
testcase_19 | AC | 628 ms
21,188 KB |
testcase_20 | AC | 634 ms
21,192 KB |
testcase_21 | AC | 577 ms
20,980 KB |
testcase_22 | AC | 563 ms
20,976 KB |
testcase_23 | AC | 556 ms
20,980 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(long long i=0;i<(long long)(n);i++) #define REP(i,k,n) for(long long i=k;i<(long long)(n);i++) #define all(a) a.begin(),a.end() #define rsort(a) {sort(all(a));reverse(all(a));} #define pb emplace_back #define eb emplace_back #define lb(v,k) (lower_bound(all(v),(k))-v.begin()) #define ub(v,k) (upper_bound(all(v),(k))-v.begin()) #define fi first #define se second #define pi M_PI #define PQ(T) priority_queue<T> #define SPQ(T) priority_queue<T,vector<T>,greater<T>> #define dame(a) {out(a);return 0;} #define decimal cout<<fixed<<setprecision(15); #define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());} typedef long long ll; typedef pair<ll,ll> P; typedef tuple<ll,ll,ll> PP; typedef tuple<ll,ll,ll,ll> PPP; typedef multiset<ll> S; using vi=vector<ll>; using vvi=vector<vi>; using vvvi=vector<vvi>; using vvvvi=vector<vvvi>; using vp=vector<P>; using vvp=vector<vp>; using vpp=vector<PP>; using vb=vector<bool>; using vvb=vector<vb>; using vvvb=vector<vvb>; const ll inf=1001001001001001001; const ll INF=1001001001; const ll mod=1000000007; const double eps=1e-10; template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;} template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;} template<class T> void out(T a){cout<<a<<'\n';} template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';} template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';} template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);} template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';} template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);} template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);} template<class T> void yesno(T b){if(b)out("yes");else out("no");} template<class T> void YesNo(T b){if(b)out("Yes");else out("No");} template<class T> void YESNO(T b){if(b)out("YES");else out("NO");} template<class T> void noyes(T b){if(b)out("no");else out("yes");} template<class T> void NoYes(T b){if(b)out("No");else out("Yes");} template<class T> void NOYES(T b){if(b)out("NO");else out("YES");} void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);} ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);} ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;} ll ans=0; class segtree{ ll N=1; vi segsum,lazy; public: segtree(vi v){ while(N<v.size())N*=2; segsum=vi(N*2-1); lazy=vi(N*2-1,-inf); rep(i,N){ if(i<v.size())segsum[i+N-1]=v[i]; else segsum[i+N-1]=0; } for(int i=N-2;i>=0;i--)segsum[i]=segsum[i*2+1]+segsum[i*2+2]; } segtree(ll n,ll k){ while(N<n)N*=2; segsum=vi(N*2-1); lazy=vi(N*2-1,-inf); rep(i,N){ if(i<n)segsum[i+N-1]=k; else segsum[i+N-1]=0; } for(int i=N-2;i>=0;i--)segsum[i]=segsum[i*2+1]+segsum[i*2+2]; } void eval(int k,int l,int r){ if(lazy[k]==-inf)return; segsum[k]=lazy[k]; if(r-l>1){ lazy[k*2+1]=lazy[k]/2; lazy[k*2+2]=lazy[k]/2; } lazy[k]=-inf; } void update(ll x,int a,int b,int k=0,int l=0,int r=-1){ if(r==-1)r=N; eval(k,l,r); if(r<=a||b<=l)return; if(a<=l&&r<=b){ lazy[k]=x*(r-l); eval(k,l,r); } else{ update(x,a,b,k*2+1,l,(l+r)/2); update(x,a,b,k*2+2,(l+r)/2,r); segsum[k]=segsum[k*2+1]+segsum[k*2+2]; } } ll getsum(int a,int b,int k=0,int l=0,int r=-1){ if(r==-1)r=N; eval(k,l,r); if(a<=l&&r<=b)return segsum[k]; if(r<=a||b<=l)return 0; ll c1=getsum(a,b,k*2+1,l,(l+r)/2); ll c2=getsum(a,b,k*2+2,(l+r)/2,r); return c1+c2; } ll query(ll a,ll b){ ll res=getsum(a,b);update(0,a,b); return res; } }; int main(){ ll n;cin>>n; vvi g(n); rep(i,n-1){ ll a,b;cin>>a>>b; g[a].pb(b);g[b].pb(a); } vi id(n),par(n,-1); vvi L(2,vi(n,n)),R(2,vi(n,-1)); ll c=0; queue<ll> q;q.push(0); while(!q.empty()){ ll i=q.front();q.pop(); id[i]=c++; if(par[i]!=-1){ chmin(L[0][par[i]],id[i]); chmax(R[0][par[i]],id[i]); } if(par[i]!=-1&&par[par[i]]!=-1){ chmin(L[1][par[par[i]]],id[i]); chmax(R[1][par[par[i]]],id[i]); } for(ll x:g[i])if(x!=par[i]){ par[x]=i;q.push(x); } } vi v(n);rep(i,n)cin>>v[i]; vi V(n);rep(i,n)V[id[i]]=v[i]; ll Q;cin>>Q; segtree seg(V); rep(qq,Q){ ll i;cin>>i; ll ans=0; if(R[1][i]!=-1)ans+=seg.query(L[1][i],R[1][i]+1); if(R[0][i]!=-1)ans+=seg.query(L[0][i],R[0][i]+1); if(par[i]!=-1){ ll p=par[i]; if(R[0][p]!=-1)ans+=seg.query(L[0][p],R[0][p]+1); ans+=seg.query(id[p],id[p]+1); if(par[p]!=-1)ans+=seg.query(id[par[p]],id[par[p]]+1); } else ans+=seg.query(id[0],id[0]+1); out(ans); seg.update(ans,id[i],id[i]+1); } }