This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#define ll long long
const int mxn=2e5+5;
int n,M,q,st[mxn],fn[mxn],cnt,dis[mxn],par[mxn],w;
int fnd[mxn][42][2];
vector<int>v[mxn],d[mxn];
struct segment{
vector<ll>val;
int sz=0;
void build(){
while(__builtin_popcount(sz)!=1){
sz++;
}
val.resize(sz*2,1);
}
void add(int i,int l,int r,int tl,int tr){
if(l>r||l>tr||r<tl||tl>tr){
return ;
}
if(l>=tl&&r<=tr){
val[i]*=w;
val[i]%=M;
return ;
}
int m=(l+r)>>1;
add((i<<1),l,m,tl,tr);
add((i<<1)^1,m+1,r,tl,tr);
return ;
}
int get(int i){
if(i==0){
return 1;
}
int ret=val[i]*get((i>>1))%M;
return ret;
}
}seg[mxn];
void dfs(int z){
st[z]=++cnt;
d[dis[z]].push_back(st[z]);
for(auto i:v[z]){
if(i!=par[z]){
par[i]=z;
dis[i]=dis[z]+1;
dfs(i);
}
}
fn[z]=cnt;
}
void up(int x,int dd){
int z=0;
dd+=dis[x];
while(dd>=dis[x]){
if(dd<mxn){
int l=fnd[x][dd-dis[x]][0];
int r=fnd[x][dd-dis[x]][1];
seg[dd].add(1,0,seg[dd].sz-1,l,r);
}
if(z)
x=par[x];
z^=1;
dd--;
}
}
void get(int z,int x){
int l=fnd[x][0][0];
cout<<seg[z].get(l+seg[z].sz)<<'\n';
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
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);
}
par[1]=1;
dfs(1);
for(int i=0;i<=n;i++){
seg[i].sz=d[i].size();
seg[i].build();
}
for(int i=1;i<=n;i++){
for(int j=0;j<=40 && dis[i]+j<mxn;j++){
int dd=dis[i]+j;
fnd[i][j][0]=lower_bound(d[dd].begin(),d[dd].end(),st[i])-d[dd].begin();
fnd[i][j][1]=upper_bound(d[dd].begin(),d[dd].end(),fn[i])-d[dd].begin()-1;
}
}
for(int i=1;i<=n;i++){
int l=fnd[i][0][0];
cin>>w;
seg[dis[i]].add(1,0,seg[dis[i]].sz-1,l,l);
}
cin>>q;
while(q--){
int ty,x,dd;
cin>>ty;
if(ty==1){
cin>>x>>dd>>w;
up(x,dd);
}
else{
cin>>x;
get(dis[x],x);
}
}
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |