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 "dungeons.h"
#include <bits/stdc++.h>
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;
const int A=25;
typedef long long ll;
struct xe{
int to;
ll cost=0;
ll mx=0;
};
struct no{
vector<xe> as;
no(){
as.resize(A);
}
};
vector<vector<no> > f;
vector<int> s,p,w,l;
int n;
void init(int N, vector<int> S, vector<int> P, vector<int> W, vector<int> L) {
n=N;
s=S;
p=P;
w=W;
l=L;
f.resize(A);
for(int z=0;z<A;z++){
auto &v=f[z];
v.resize(n+1);
for(int i=0;i<n;i++){
if((1<<z)>=s[i]){
v[i].as[0].to=w[i];
v[i].as[0].cost=s[i];
v[i].as[0].mx=0;
}
else{
v[i].as[0].to=l[i];
v[i].as[0].cost=p[i];
v[i].as[0].mx=s[i]-(1<<z);
}
}
for(int i=1;i<A;i++){
for(int j=0;j<n;j++){
auto a=v[j].as[i-1],b=v[v[j].as[i-1].to].as[i-1];
if(a.to==n){
v[j].as[i]=a;
}
else{
v[j].as[i].to=b.to;
v[j].as[i].cost=a.cost+b.cost;
v[j].as[i].mx=max(a.mx,b.mx-a.cost);
}
}
}
}
return;
}
ll simulate(int x, int Z) {
long long z=Z;
for(int j=0;j<A;j++){
for(int i=A-1;i>=0;i--){
if(z<f[j][x].as[i].mx){
z+=f[j][x].as[i].cost;
x=f[j][x].as[i].to;
if(x==n){
return z;
}
}
}
if(z>=s[x]){
z+=s[x];
x=w[x];
}
else{
z+=p[x];
x=l[x];
}
if(x==n){
return z;
}
}
return z;
}
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