This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
//Emmanuel B
//Sprinker
#include <bits/stdc++.h>
using namespace std;
using lli=long long int;
#define pb push_back
#define deb(x) cout<<#x<<": "<<x<<endl;
#define deb2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
void dfs(lli n, lli par, vector<lli> &parent, vector<vector<lli>> &adj, vector<vector<lli>> &sons){
parent[n]=par;
for(lli x: adj[n]){
if(x==par) continue;
sons[n].pb(x);
dfs(x,n,parent,adj,sons);
}
}
lli L;
void update(lli n, lli p, vector<vector<lli>> &adj, lli c, vector<lli> &values, lli &w){
if(c<0) return;
values[n]*=w;
values[n]%=L;
if(c==0) return;
for(lli x: adj[n]){
if(x==p) continue;
update(x,n,adj,c-1, values, w);
}
}
int main(){
lli N;
cin>>N>>L;
vector<vector<lli>> adj (N+5);
for(lli i=0; i<N-1; ++i){
lli a,b;
cin>>a>>b;
adj[a].pb(b);
adj[b].pb(a);
}
vector<lli> parent (N+5);
vector<vector<lli>> sons (N+5);
vector<lli> mult1 (N+5,1);
vector<lli> mult2 (N+5,1);
dfs(1,0,parent,adj,sons);
vector<lli> values (N+5);
vector<vector<lli>> resolver (N+5, vector<lli> (44,1));
vector<vector<lli>> numof0s (N+5, vector<lli> (44,0));
for(lli i=1; i<=N; ++i){
cin>>values[i];
}
lli Q;
cin>>Q;
while(Q--){
lli type;
cin>>type;
if(type==1){
lli x,d,w;
cin>>x>>d>>w;
while(d>=0 && x!=0){
// deb(d);
// deb(x);
for(lli i=0; i<=d; ++i){
lli val=resolver[x][i]*w;
// deb(val);
if(val==0){
resolver[x][i]=0;
continue;
}
while(val%L==0){
numof0s[x][i]++;
val/=L;
}
resolver[x][i]=val;
resolver[x][i]%=L;
}
d--;
x=parent[x];
}
}
else{
lli x;
cin>>x;
lli ans=values[x]*resolver[x][0];
ans%=L;
lli act=parent[x];
lli cont=1;
while(act!=0 && cont+1<resolver.size()){
if(numof0s[act][cont]>numof0s[x][cont+1]){
ans=0;
break;
}
if(resolver[x][cont+1]==0){
ans=0;
break;
}
lli val=resolver[act][cont]/resolver[x][cont+1];
ans*=val;
x=act;
act=parent[act];
cont++;
}
cout<<ans<<endl;
}
}
}
Compilation message (stderr)
sprinkler.cpp: In function 'int main()':
sprinkler.cpp:93:35: warning: comparison of integer expressions of different signedness: 'lli' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
93 | while(act!=0 && cont+1<resolver.size()){
| ~~~~~~^~~~~~~~~~~~~~~~
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