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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#572297#8222. 投票游戏zjy00010 50ms42724kbC++174.2kb2024-09-18 13:32:432024-09-18 13:32:43

Judging History

你现在查看的是最新测评结果

  • [2024-09-18 13:32:43]
  • 评测
  • 测评结果:0
  • 用时:50ms
  • 内存:42724kb
  • [2024-09-18 13:32:43]
  • 提交

answer

#include<bits/stdc++.h>
#define LL long long
#define LLL __int128
#define uint unsigned
#define ldb long double
#define uLL unsigned long long
using namespace std;
const int N=2e5+5;
const LL INF=1e16;
int n,q,tim;
vector<int>G[N];
int a[N],b[N];LL sb[N];
int f[N],top[N],sz[N],son[N],dL[N],dR[N],rk[N],rt[N];
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
struct node{
    LL p,l,r;
    node(const LL&_p=0,const LL&_l=0,const LL&_r=0):
        p(_p),l(_l),r(_r){}
    inline LL operator()(const LL&x)const{
        return x<p?l:r;
    }
    inline node operator+(const node&o)const{
        return node(o.p,(o.l<p?l:r),(o.r<p?l:r));
    }
}A[N],S[N*4];
struct Node{
    LL v,a,mn,s;int pri;
    inline void init(LL _v,LL _a){
        v=_v,a=_a,mn=v,s=a,pri=rng();
    }
}T[N];
int Ls[N],Rs[N];
inline void pushup(int p){
    T[p].s=T[Ls[p]].s+T[p].a+T[Rs[p]].s;
    T[p].mn=min(min(T[Ls[p]].mn,T[Ls[p]].s+T[p].v),T[Ls[p]].s+T[p].a+T[Rs[p]].mn);
}
inline int merge(int x,int y){
    if(!x||!y)return x|y;
    if(T[x].pri>T[y].pri)return Rs[x]=merge(Rs[x],y),pushup(x),x;
    else return Ls[y]=merge(x,Ls[y]),pushup(y),y;
}
inline void split(int x,LL k,int r,int&p,int&q){
    if(!x)return p=0,q=0,void();
    if(T[x].v>k||(T[x].v==k&&x>r))p=x,split(Rs[x],k,r,Rs[p],q),pushup(p);
    else q=x,split(Ls[x],k,r,p,Ls[q]),pushup(q);
}
inline LL qry(int rt,LL x){
    if(!rt)return x;
    if(x>T[Ls[rt]].mn)return qry(Ls[rt],x);
    if(x>T[Ls[rt]].s+T[rt].v)return x-T[Ls[rt]].s;
    return qry(Rs[rt],x-T[Ls[rt]].s-T[Ls[rt]].a);
}
inline void ins(int &rt,int x){
    int p,q;split(rt,T[x].v,x,p,q);
    rt=merge(p,merge(x,q));
}
inline void del(int &rt,int x){
    int p,q;split(rt,T[x].v,x,p,q),split(p,T[x].v,x-1,p,rt);
    rt=merge(p,q);
}
inline void build(int p,int l,int r){
    if(l==r)return S[p]=A[rk[l]],void();
    const int mid=(l+r)>>1,ls=p*2,rs=p*2+1;
    build(ls,l,mid),build(rs,mid+1,r);
    S[p]=S[ls]+S[rs];
}
inline void upd(int p,int l,int r,int x){
    if(l==r)return S[p]=A[rk[l]],void();
    const int mid=(l+r)>>1,ls=p*2,rs=p*2+1;
    x<=mid?upd(ls,l,mid,x):upd(rs,mid+1,r,x);
    S[p]=S[ls]+S[rs];
}
inline node qry(int p,int l,int r,int x){
    if(x<=l)return S[p];
    const int mid=(l+r)>>1,ls=p*2,rs=p*2+1;
    return x<=mid?qry(ls,l,mid,x)+qry(rs,mid+1,r,x):qry(rs,mid+1,r,x);
}
inline void dfs1(int u,int fa){
    sz[u]=1,son[u]=0,f[u]=fa;
    for(auto v:G[u])if(v!=fa)
        dfs1(v,u),sz[u]+=sz[v],sb[u]+=b[v],
        sz[son[u]]<sz[v]?son[u]=v:0;
    for(auto v:G[u])if(v!=son[u])
        T[v].init(A[v](0),b[v]),ins(rt[u],v);
    if(son[u]){
        auto x=qry(rt[u],sb[u]+a[u]);
        auto y=qry(rt[u],sb[u]+a[u]-sb[son[u]]);
        A[u]=node(x,x,y);
    }
    else A[u]=node(0,a[u],a[u]);
}
inline void dfs2(int u,int fa,int tp){
    dL[u]=++tim;
    if(son[u])dfs2(son[u],u,tp);
    for(auto v:G[u])if(v!=fa&&v!=son[u])dfs2(v,u,v);
    dR[u]=tim;
}
inline void upd(int u){
    for(int i=u;;i=f[top[i]]){
        if(son[i]){
            auto x=qry(rt[i],sb[i]+a[i]);
            auto y=qry(rt[i],sb[i]+a[i]-sb[son[i]]);
            A[i]=node(x,x,y);
        }
        else A[i]=node(0,a[i],a[i]);
        upd(1,1,n,dL[i]);
        if(!f[top[i]])break;
        del(rt[f[top[i]]],top[i]);
        T[top[i]].init(qry(1,1,n,dL[top[i]])(0),b[top[i]]);
        ins(rt[f[top[i]]],top[i]);
    }
}
signed main(){
    cin.tie(0)->sync_with_stdio(0);
    T[0].init(-INF,0);
    cin>>n>>q;
    for(int i=2;i<=n;++i)
        cin>>f[i],G[f[i]].emplace_back(i);
    for(int i=1;i<=n;++i)cin>>a[i];
    for(int i=1;i<=n;++i)cin>>b[i];
    dfs1(1,0),dfs2(1,0,1),build(1,1,n);
    for(int i=1;i<=q;++i){
        int o;cin>>o;
        if(o==1){
            int u,x,y;cin>>u>>x>>y;
            a[u]=x,y-=b[u],b[u]+=y,sb[f[u]]+=y;
            upd(u);
            if(f[u]){
                if(u!=son[f[u]]){
                    del(rt[f[u]],u);
                    T[u].init(qry(1,1,n,dL[u])(0),b[u]);
                    ins(rt[f[u]],u);
                }
                upd(f[u]);
            }
        }
        else{
            int u,v;cin>>u>>v;
            cout<<(qry(1,1,n,dL[u])(0)>qry(1,1,n,dL[v])(0))<<'\n';
        }
    }
    return 0;
}
/*
*/

详细

Subtask #1:

score: 0
Memory Limit Exceeded

Test #1:

score: 0
Memory Limit Exceeded

input:

20 500
1 1 3 1 3 5 6 6 7 3 5 3 9 5 4 7 7 18 2
42129194 82765784 1447057 29726963 82321558 32094641 22474113 49277574 27527633 20746795 47630926 92888389 26787144 80703040 43876864 97991729 12117966 75633318 33577855 93462601
69163546 49621952 45236756 46447931 34085269 55246550 54414402 99593046 103...

output:


result:


Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Time Limit Exceeded

Test #13:

score: 0
Time Limit Exceeded

input:

200 200000
1 2 3 3 5 3 1 6 2 9 11 5 5 2 4 9 17 8 1 4 10 20 18 20 23 13 16 28 15 4 6 27 26 11 30 25 10 2 13 23 25 35 4 8 40 43 36 26 7 27 45 35 14 31 54 45 9 8 9 54 16 32 62 9 29 2 43 39 34 39 27 2 52 56 6 9 48 26 66 28 35 57 79 13 71 61 38 43 80 26 61 26 79 1 24 64 79 15 41 42 56 55 6 24 92 43 89 76...

output:


result:


Subtask #4:

score: 0
Memory Limit Exceeded

Test #18:

score: 0
Memory Limit Exceeded

input:

200 200000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:


result:


Subtask #5:

score: 0
Wrong Answer

Test #26:

score: 0
Wrong Answer
time: 50ms
memory: 42724kb

input:

200 200000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 1...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

wrong answer 1st numbers differ - expected: '1', found: '0'

Subtask #6:

score: 0
Skipped

Dependency #1:

0%