#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxn=2e5+5,sq=448;
int n,M,q,h[mxn],st[mxn],fn[mxn],cnt,dis[mxn],par[mxn];
vector<ll>v[mxn],d[mxn],res[mxn],lazy[mxn];
void dfs(int z){
st[z]=cnt++;
d[dis[z]].push_back(z);
res[dis[z]].push_back(h[z]);
for(auto i:v[z]){
if(i!=par[z]){
par[i]=z;
dis[i]=dis[z]+1;
dfs(i);
}
}
fn[z]=cnt;
}
bool cmp(int x,int y){
return st[x]<st[y];
}
void add(int x,int L,int R,ll w){
if(d[x].size()==0)return;
int l=lower_bound(d[x].begin(),d[x].end(),L,cmp)-d[x].begin();
int r=lower_bound(d[x].begin(),d[x].end(),R,cmp)-d[x].begin();
r=max((int)d[x].size()-1,r);
for(;l<=r && l%sq!=0;l++)
res[x][l]=(res[x][l]*w)%M;
for(;l+sq-1<=r;l+=sq)
lazy[x][l/sq]=(lazy[x][l/sq]*w)%M;
for(;l<=r;l++)
res[x][l]=(res[x][l]*w)%M;
}
void up(int x,int dd,int w){
int y=dd;
while(y-- && x!=1){
int z=dis[x]+dd;
add(z,st[x],fn[x],w);
x=par[x];
}
for(;dd>=0;dd--){
int z=dis[x]+dd;
add(z,st[x],fn[x],w);
}
}
ll get(int z,int x){
int l=lower_bound(d[z].begin(),d[z].end(),x,cmp)-d[z].begin();
return (res[z][l]*lazy[z][l/sq])%M;
}
int main(){
ios::sync_with_stdio(false);
cin>>n>>M;
for(int i=1;i<n;i++){
int x,y;
cin>>x>>y;
v[x].push_back(y);
v[y].push_back(x);
}
for(int i=1;i<=n;i++)
cin>>h[i];
dfs(1);
for(int i=0;i<=n;i++){
int x=d[i].size();
while(x>0){
x-=sq;
lazy[i].push_back(1);
}
}
cin>>q;
while(q--){
int ty,x,dd,w;
cin>>ty;
if(ty==1){
cin>>x>>dd>>w;
up(x,dd,w);
}
else{
cin>>x;
cout<<get(dis[x],x)<<'\n';
}//cout<<get(0,1);
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
21084 KB |
Output is correct |
2 |
Incorrect |
5 ms |
21172 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
21084 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
21084 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
21084 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
21080 KB |
Output is correct |
2 |
Incorrect |
913 ms |
62544 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
21084 KB |
Output is correct |
2 |
Incorrect |
5 ms |
21172 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |