oj.uz

Submission #898584

# Submission time Handle Problem Language Result Execution time Memory
898584 2024-01-04T22:40:58 Z alexander707070 Sprinkler (JOI22_sprinkler) C++14
3 / 100
 4000 ms 288680 KB 
#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;

int n,q,type;
long long mod,w;
int a,b,s,d;
vector<int> v[MAXN];
int num[MAXN],tt,from[MAXN],to[MAXN],parent[MAXN];

long long tree[42][4*MAXN],val[MAXN];

void dfs(int x,int p){
    from[x]=n; to[x]=0;
    parent[x]=p;

    for(int i=0;i<v[x].size();i++){
        if(v[x][i]==p)continue;

        tt++; num[v[x][i]]=tt;
        from[x]=min(from[x],tt);
        to[x]=max(to[x],tt);
    }

    for(int i=0;i<v[x].size();i++){
        if(v[x][i]==p)continue;
        dfs(v[x][i],x);
    }
}

void update(int id,int v,int l,int r,int ll,int rr,long long val){
    if(ll>rr)return;
    if(l==ll and r==rr){
        tree[id][v]*=val; tree[id][v]%=mod;
    }else{
        int tt=(l+r)/2;
        update(id,2*v,l,tt,ll,min(tt,rr),val);
        update(id,2*v+1,tt+1,r,max(tt+1,ll),rr,val);
    }
}

long long getval(int id,int v,int l,int r,int pos){
    if(l==r)return tree[id][v];
    
    int tt=(l+r)/2;
    if(pos<=tt)return (getval(id,2*v,l,tt,pos) * tree[id][v])%mod;
    return (getval(id,2*v+1,tt+1,r,pos) * tree[id][v])%mod;
}

void query(int x,int dist,int ban,long long mult){
    if(x==0)return;
    val[x]*=mult; val[x]%=mod;
    if(dist==0)return;

    if(ban>=from[x] and ban<=to[x]){
        update(dist-1,1,1,n,from[x],ban-1,mult);
        update(dist-1,1,1,n,ban+1,to[x],mult);
    }else{
        update(dist-1,1,1,n,from[x],to[x],mult);
    }

    query(parent[x],dist-1,num[x],mult);
}

long long geth(int x,int dist){
    if(x==0 or dist>40)return 1;

    long long res=1;
    for(int i=dist;i<=40;i++){
        res*=getval(i,1,1,n,num[x]);
        res%=mod;
    }

    return (res*geth(parent[x],dist+1))%mod;
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>mod;
    for(int i=1;i<=n-1;i++){
        cin>>a>>b;
        v[a].push_back(b);
        v[b].push_back(a);
    }
    for(int i=0;i<=40;i++){
        for(int f=1;f<=4*n;f++){
            tree[i][f]=1;
        }
    }

    num[1]=1; tt=1;
    dfs(1,0);

    for(int i=1;i<=n;i++){
        cin>>val[i];
    }

    cin>>q;
    for(int i=1;i<=q;i++){
        cin>>type;
        if(type==1){
            cin>>s>>d>>w;
            query(s,d,0,w);
        }else{
            cin>>s;
            cout<<( val[s]*geth(s,0) )%mod<<"\n";
        }
    }

    return 0;
}

Compilation message

sprinkler.cpp: In function 'void dfs(int, int)':
sprinkler.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
sprinkler.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 94040 KB Output is correct
2 Correct 11 ms 94156 KB Output is correct
3 Correct 10 ms 94132 KB Output is correct
4 Correct 37 ms 96092 KB Output is correct
5 Correct 37 ms 96092 KB Output is correct
6 Correct 25 ms 96088 KB Output is correct
7 Correct 21 ms 96092 KB Output is correct
8 Correct 17 ms 96244 KB Output is correct
9 Correct 11 ms 94044 KB Output is correct
10 Correct 12 ms 94044 KB Output is correct
11 Correct 11 ms 94172 KB Output is correct
12 Correct 14 ms 94044 KB Output is correct
13 Correct 14 ms 94044 KB Output is correct
14 Correct 10 ms 94172 KB Output is correct
15 Correct 11 ms 94044 KB Output is correct
16 Correct 12 ms 94144 KB Output is correct
17 Correct 13 ms 94044 KB Output is correct
18 Correct 13 ms 94044 KB Output is correct
19 Correct 11 ms 94044 KB Output is correct
20 Correct 11 ms 94044 KB Output is correct
21 Correct 12 ms 94252 KB Output is correct
22 Correct 12 ms 94044 KB Output is correct
23 Correct 13 ms 94044 KB Output is correct
24 Correct 11 ms 94296 KB Output is correct
25 Correct 12 ms 94044 KB Output is correct
26 Correct 11 ms 94044 KB Output is correct
27 Correct 13 ms 94044 KB Output is correct
28 Correct 13 ms 94044 KB Output is correct

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 94044 KB Output is correct
2 Execution timed out 4059 ms 280012 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 94044 KB Output is correct
2 Execution timed out 4059 ms 280012 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 94300 KB Output is correct
2 Execution timed out 4070 ms 288680 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 94040 KB Output is correct
2 Execution timed out 4030 ms 285132 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 94040 KB Output is correct
2 Correct 11 ms 94156 KB Output is correct
3 Correct 10 ms 94132 KB Output is correct
4 Correct 37 ms 96092 KB Output is correct
5 Correct 37 ms 96092 KB Output is correct
6 Correct 25 ms 96088 KB Output is correct
7 Correct 21 ms 96092 KB Output is correct
8 Correct 17 ms 96244 KB Output is correct
9 Correct 11 ms 94044 KB Output is correct
10 Correct 12 ms 94044 KB Output is correct
11 Correct 11 ms 94172 KB Output is correct
12 Correct 14 ms 94044 KB Output is correct
13 Correct 14 ms 94044 KB Output is correct
14 Correct 10 ms 94172 KB Output is correct
15 Correct 11 ms 94044 KB Output is correct
16 Correct 12 ms 94144 KB Output is correct
17 Correct 13 ms 94044 KB Output is correct
18 Correct 13 ms 94044 KB Output is correct
19 Correct 11 ms 94044 KB Output is correct
20 Correct 11 ms 94044 KB Output is correct
21 Correct 12 ms 94252 KB Output is correct
22 Correct 12 ms 94044 KB Output is correct
23 Correct 13 ms 94044 KB Output is correct
24 Correct 11 ms 94296 KB Output is correct
25 Correct 12 ms 94044 KB Output is correct
26 Correct 11 ms 94044 KB Output is correct
27 Correct 13 ms 94044 KB Output is correct
28 Correct 13 ms 94044 KB Output is correct
29 Correct 11 ms 94044 KB Output is correct
30 Execution timed out 4059 ms 280012 KB Time limit exceeded
31 Halted 0 ms 0 KB -