Submission #1224882

#TimeUsernameProblemLanguageResultExecution timeMemory
1224882minhpkSprinkler (JOI22_sprinkler)C++20
0 / 100
800 ms92488 KiB
#include <bits/stdc++.h>
#define int long long
using namespace std;
int a,mod;
vector <int> z[1000005];
int h[1000005];
int sta[1000005];
int fin[1000005];
int tour;
vector <int> depth[1000005];
int par[1000005];
int high[1000005];
int base[1000005];
int maxdepth=0;
int cur=1;
bool cmp(int a,int b){
     return a<b;
}

int sbd(int i){
    int res=base[high[i]];
    int t=high[i];

    int pre=lower_bound(depth[t].begin(),depth[t].end(),sta[i])-depth[t].begin()+1;

    if (pre+base[t]>a || pre+base[t]>a){
            cout << i << " " << t << " " << depth[t].size() << "\n";
    }
    res+=pre;
    return res;
}

void dfs(int i,int j,int k){
    par[i]=j;
    tour++;
    sta[i]=tour;
    maxdepth=max(maxdepth,k);
    depth[k].push_back(sta[i]);

    for (auto p:z[i]){
         if (p==j){
            continue;
         }
         high[p]=high[i]+1;
         dfs(p,i,k+1);
    }

    fin[i]=tour;
}

int f[4000005];
int lazy[4000005];
pair<int,int> length[1000005];
void push(int id){
    if (lazy[id]!=1){
        lazy[id*2]*=lazy[id];
        lazy[id*2+1]*=lazy[id];
        lazy[id*2]%=mod;
        lazy[id*2+1]%=mod;

        f[id*2]*=lazy[id];
        f[id*2+1]*=lazy[id];
        f[id*2]%=mod;
        f[id*2+1]%=mod;

        lazy[id]=1;
    }
}

void update(int id,int l,int r,int x,int y,int val){
     if (x>r || y<l){
         return;
     }
     if (l>=x && y>=r){
         f[id]*=val;
         f[id]%=mod;
         lazy[id]=(lazy[id]*val)%mod;
         return;
     }
     int mid=(l+r)/2;
     push(id);
     update(id*2,l,mid,x,y,val);
     update(id*2+1,mid+1,r,x,y,val);
     f[id]=f[id*2]+f[id*2+1];
}
int get(int id,int l,int r,int pos){
    if (l==r){
        return f[id];
    }
    int mid=(l+r)/2;
    push(id);
    if (pos<=mid){
        return get(id*2,l,mid,pos);
    }else{
        return get(id*2+1,mid+1,r,pos);
    }
}

bool vis[1000005];

void query(int n,int w){
    for (int i=1;i<=min(n,maxdepth);i++){
         vis[i]=true;
         int sta1=base[i]+1;
         int fin1=base[i]+depth[i].size();
         update(1,1,a,sta1,fin1,w);
    }
}

void querydown(int n,int d,int w){
    int cnt=0;
    int sta1=high[n];
    while (sta1<=maxdepth && cnt<=d){
         if (!vis[sta1]){
             int pos1=lower_bound(depth[sta1].begin(),depth[sta1].end(),sta[n])-depth[sta1].begin()+1+base[sta1];
             int pos2=upper_bound(depth[sta1].begin(),depth[sta1].end(),fin[n])-depth[sta1].begin()+base[sta1];
//             if (pos1>a || pos2>a){
//                 cout << "ok" << "\n";
//                 return;
//             }
             if (pos1<=pos2){
                  update(1,1,a,pos1,pos2,w);
                  vis[sta1]=true;
             }
//             if (cur==1){
//                cout << sta1<< " " << pos1 << " " << pos2 << "\n";
//             }
         }
         sta1++;
         cnt++;
    }
}

void queryup(int n,int d,int w){
    int cnt=0;
    while (cnt<=d && n!=0){
         int t=high[n];
         for (int i=0;i<=d-cnt;i++){
              int pre=high[t]+i;
              if (pre>maxdepth){
                  continue;
              }
              int len1=length[pre].second-length[pre].first;
              int len2=fin[n]-sta[n];
              if (len1<len2){
                  length[pre]={sta[n],fin[n]};
              }
         }

         cnt++;
         n=par[n];
    }
}



void bruh(int id,int l,int r){
     if (l==r){
         cout << f[id] << " ";
         return;
     }
     int mid=(l+r)/2;
     push(id);
     bruh(id*2,l,mid);
     bruh(id*2+1,mid+1,r);
}

void query1(int x,int d,int w){
    int t=high[x];
    for (int i=0;i<=d;i++){
         if (t-i<=0){
            break;
         }
         int sta1=t-i;
         int pos1=lower_bound(depth[sta1].begin(),depth[sta1].end(),length[t-i].first)-depth[sta1].begin()+1+base[sta1];
         int pos2=upper_bound(depth[sta1].begin(),depth[sta1].end(),length[t-i].second)-depth[sta1].begin()+base[sta1];
         if (pos1<=pos2){
             update(1,1,a,pos1,pos2,w);
         }
    }

    for (int i=1;i<=d;i++){
         if (t+i>maxdepth){
            break;
         }
         int sta1=t+i;
         int pos1=lower_bound(depth[sta1].begin(),depth[sta1].end(),length[sta1].first)-depth[sta1].begin()+1+base[sta1];
         int pos2=upper_bound(depth[sta1].begin(),depth[sta1].end(),length[sta1].second)-depth[sta1].begin()+base[sta1];
         if (pos1<=pos2){
             update(1,1,a,pos1,pos2,w);
         }
    }
}

signed main()
{
//    freopen("test.txt", "r", stdin);
//    freopen("o2.out", "w", stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> a >> mod;
    for (int i=1;i<a;i++){
         int x,y;
         cin >> x >> y;
         z[x].push_back(y);
         z[y].push_back(x);
    }
    for (int i=1;i<=a;i++){
         cin >> h[i];
    }
    dfs(1,0,1);
    for (int i=1;i<=maxdepth;i++){
         base[i]=base[i-1]+depth[i-1].size();
         sort(depth[i].begin(),depth[i].end(),cmp);
         vis[i]=false;
    }
    for (int i=1;i<=a;i++){
         high[i]++;
    }
    for (int i=1;i<=4*a+5;i++){
         lazy[i]=1;
         f[i]=1;
    }
//    for (int i=1;i<=maxdepth;i++){
//         cout << base[i] << "\n";
//    }
  //  cout << sta[3] << " " << sta[5] << "\n";
    int q;
    cin >> q;
//    cout << "\n";
    while (q--){
         int c;
         cin >> c;
         if (c==2){
             int x;
             cin >> x;
             int pos=sbd(x);
             int pre=get(1,1,a,pos);
//             cout << "query" << "\n";
             //cout << pos << " ";
             cout << (h[x]*pre)%mod << "\n";
//             cout << "\n";
         }else{
             int x,d,w;
             cin >> x >> d >> w;
          //   dfs1(x,x,0,w);
             queryup(x,d,w);

             query1(x,d,w);
             int t=high[x];
             for (int i=0;i<=d;i++){
                  length[max(t-i,1LL)]={0,0};
                  length[t+i]={0,0};
             }
         }
//         cout << cur  << "\n";
//         bruh(1,1,a);
//         cout << "\n";
//         for (int i=1;i<=a;i++){
//             cout << h[i] << " ";
//         }
//         cur++;
//         cout << "\n";
//         cout << "\n";
    }

//    for (int i=1;i<=maxdepth;i++){
//         cout << "depth " << i << "\n";
//         for (auto p:depth[i]){
//             cout << p << "\n";
//         }
//         cout << "\n";
//    }
    return 0;
}

/*
9 11
2 1
3 2
4 1
5 1
6 1
7 5
8 6
9 4
2
1
3
5
4
4
4
5
4
4
2 5
1 8 3 6
1 5 4 3
2 6




9 20
2 1
3 1
4 1
5 1
6 1
7 6
8 6
9 7
4
2
2
2
5
2
3
3
3
5
1 7 3 3
2 3
1 6 7 6
1 2 5 2
1 6 7 0


9 7
2 1
3 1
4 2
5 3
6 1
7 3
8 6
9 6
2
1
5
3
3
1
1
3
1
3
1 7 3 6
2 7
2 5

*/






/*
5
10 9 3 6 1
3
2 1 2 4
1 2 4
1 2 2



5
2 8 6 4 1
4
3 1 2 9
1 1 3
2 1 4 5
1 2 5
*/





/*
8
01010101
10111000


8
01010101
10111000
10101010


6
110110
011101


001001


8
01010101
11000010

10101010
*/



/*
freopen("test.txt", "r", stdin);
    freopen("o2.out", "w", stdout);
*/
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...