oj.uz

Submission #721164

# Submission time Handle Problem Language Result Execution time Memory
721164 2023-04-10T12:11:16 Z lam Sprinkler (JOI22_sprinkler) C++14
38 / 100
 2004 ms 398828 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
int mod;
struct fen
{
    int n;
    vector <int> f;
    void reset(int sl)
    {
        f.assign(sl+1,1);
        n=sl;
    }
    void add(int x, int val)
    {
//        cerr<<n<<endl;
//        cerr<<"+ "<<x<<' '<<val<<" : "<<n<<endl;
        while (x<=n)
        {
            f[x]=(f[x]*val)%mod;
            x+=(x&-x);
        }
    }
    int get(int x)
    {
        int temp=1;
        while (x>0)
        {
            temp=(temp*f[x])%mod;
            x-=(x&-x);
        }
        return temp;
    }
};
struct fen2
{
    int n;
    vector <int> f;
    void reset(int sl)
    {
        f.assign(sl+1,1);
        n=sl;
    }
    void add(int x, int val)
    {
        while (x>0)
        {
            f[x]=(f[x]*val)%mod;
            x-=(x&-x);
        }
    }
    int get(int x)
    {
        int temp=1;
        while (x<=n)
        {
            temp=(temp*f[x])%mod;
            x+=(x&-x);
        }
        return temp;
    }
};
const int maxn = 2e5 + 10;
int n,q;
int a[maxn];
int ppow(int x, int y)
{
    int temp=1LL;
    while (y)
    {
        if (y&1) temp=temp*x%mod;
        x=x*x%mod;
        y/=2;
    }
    return temp;
}
vector <fen> freq[maxn];
vector <fen2> freq2[maxn];
vector <int> freqs[maxn];
vector <int> adj[maxn],depth[maxn];
int s[maxn],par[maxn],cid[maxn];
bool dau[maxn];
int get_sz(int x, int p)
{
    s[x]=1;
    for (int i:adj[x])
        if (i!=p&&!dau[i]) s[x]+=get_sz(i,x);
    return s[x];
}

int find_centroid(int x, int p, int sz)
{
    for (int i:adj[x])
        if (i!=p&&!dau[i]&&2*s[i]>sz) return find_centroid(i,x,sz);
    return x;
}

void dfs(int x, int p, int dep)
{
    depth[x].push_back(dep);
    for (int i:adj[x])
        if (i!=p&&!dau[i]) dfs(i,x,dep+1);
}

void decompose(int x, int p, int id)
{
    x=find_centroid(x,x,get_sz(x,x));
    par[x]=p;
    dau[x]=1;
    depth[x].push_back(0);
    cid[x]=id;
    int cnt=0;
    for (int i:adj[x])
        if (!dau[i])
    {
        dfs(i,x,1);
        decompose(i,x,cnt);
        cnt++;
    }
    for (int i=0; i<=2; i++)
    {
        freqs[x].push_back(1LL);
        freq[x].emplace_back();
//        cerr<<"reset "<<i<<' '<<x<<' '<<cnt<<endl;
        freq[x].back().reset(cnt);
//        cerr<<freq[x].back().n<<endl;
        freq2[x].emplace_back();
        freq2[x].back().reset(cnt);

    }
}

void update(int x, int D, int w)
{
    int p=x; int id=-1;
    for (int i=depth[x].size()-1; i>=0; i--)
    {
        int d = depth[x][i];
        if (d<=D)
        {
//            cout<<"+ "<<D-d<<' '<<p<<' '<<id<<' '<<w<<'\n';
            if (id!=-1)
            {
                freq[p][D-d].add(id+1,w);
                freq2[p][D-d].add(id+1,w);
            }
            else
                freqs[p][D-d]=freqs[p][D-d]*w%mod;
        }
        id=cid[p];
        p=par[p];
    }
}

int get(int x)
{
    int p=x; int id=-1;
    int ans = a[x];
    for (int i=depth[x].size()-1; i>=0; i--)
    {
        int D = depth[x][i];
//        cout<<p<<" - "<<x<<" = "<<D<<'\n';
        for (int d=D; d<=2; d++)
        {
            ans = (ans*freqs[p][d])%mod;
            if (id!=-1)
            {
                ans = (ans*freq[p][d].get(id))%mod;
                ans = (ans*freq2[p][d].get(id+2))%mod;
            }
            else ans = (ans*freq[p][d].get(freq[p][d].n))%mod;
        }
        id=cid[p];
        p=par[p];
    }
    return ans;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
    cin>>n>>mod;
    for (int i=1; i<n; i++)
    {
        int u,v; cin>>u>>v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    for (int i=1; i<=n; i++) cin>>a[i];
    decompose(1,-1,-1);
    cin>>q;
    for (int i=1; i<=q; i++)
    {
        int t; cin>>t;
        if (t==1)
        {
            int x,d,w; cin>>x>>d>>w;
//            W=w;
            update(x,d,w);
        }
        else
        {
            int x; cin>>x;
            int ans = get(x);
//            cout<<x<<" : "<<cnt<<'\n';
            cout<<ans<<'\n';
        }

    }
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 33 ms 48012 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23824 KB Output is correct
2 Correct 1517 ms 183692 KB Output is correct
3 Correct 1519 ms 184300 KB Output is correct
4 Correct 1794 ms 204788 KB Output is correct
5 Correct 1618 ms 183824 KB Output is correct
6 Correct 1563 ms 181372 KB Output is correct
7 Correct 1342 ms 179188 KB Output is correct
8 Correct 1044 ms 169220 KB Output is correct
9 Correct 2004 ms 208660 KB Output is correct
10 Correct 1917 ms 208268 KB Output is correct
11 Correct 1470 ms 183632 KB Output is correct
12 Correct 1465 ms 184240 KB Output is correct
13 Correct 732 ms 168508 KB Output is correct
14 Correct 805 ms 170756 KB Output is correct
15 Correct 996 ms 171740 KB Output is correct
16 Correct 974 ms 174560 KB Output is correct
17 Correct 990 ms 176780 KB Output is correct
18 Correct 13 ms 23820 KB Output is correct
19 Correct 15 ms 23824 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23824 KB Output is correct
2 Correct 1517 ms 183692 KB Output is correct
3 Correct 1519 ms 184300 KB Output is correct
4 Correct 1794 ms 204788 KB Output is correct
5 Correct 1618 ms 183824 KB Output is correct
6 Correct 1563 ms 181372 KB Output is correct
7 Correct 1342 ms 179188 KB Output is correct
8 Correct 1044 ms 169220 KB Output is correct
9 Correct 2004 ms 208660 KB Output is correct
10 Correct 1917 ms 208268 KB Output is correct
11 Correct 1470 ms 183632 KB Output is correct
12 Correct 1465 ms 184240 KB Output is correct
13 Correct 732 ms 168508 KB Output is correct
14 Correct 805 ms 170756 KB Output is correct
15 Correct 996 ms 171740 KB Output is correct
16 Correct 974 ms 174560 KB Output is correct
17 Correct 990 ms 176780 KB Output is correct
18 Correct 13 ms 23820 KB Output is correct
19 Correct 15 ms 23824 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 13 ms 23812 KB Output is correct
24 Correct 1420 ms 183844 KB Output is correct
25 Correct 1634 ms 184220 KB Output is correct
26 Correct 1758 ms 208612 KB Output is correct
27 Correct 1633 ms 183912 KB Output is correct
28 Correct 1347 ms 182448 KB Output is correct
29 Correct 1233 ms 178536 KB Output is correct
30 Correct 949 ms 169156 KB Output is correct
31 Correct 1718 ms 204992 KB Output is correct
32 Correct 1855 ms 208360 KB Output is correct
33 Correct 1368 ms 183700 KB Output is correct
34 Correct 1480 ms 184120 KB Output is correct
35 Correct 13 ms 23764 KB Output is correct
36 Correct 13 ms 23824 KB Output is correct
37 Correct 13 ms 23764 KB Output is correct
38 Correct 14 ms 23824 KB Output is correct
39 Correct 16 ms 23764 KB Output is correct
40 Correct 14 ms 23764 KB Output is correct
41 Correct 14 ms 23764 KB Output is correct
42 Correct 14 ms 23848 KB Output is correct
43 Correct 14 ms 23800 KB Output is correct
44 Correct 12 ms 23824 KB Output is correct
45 Correct 13 ms 23820 KB Output is correct
46 Correct 13 ms 23852 KB Output is correct
47 Correct 13 ms 23820 KB Output is correct
48 Correct 13 ms 23892 KB Output is correct
49 Correct 13 ms 23836 KB Output is correct

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23844 KB Output is correct
2 Runtime error 1299 ms 398828 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 48124 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 33 ms 48012 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -