#include "train.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;
int desno[maxn];
int sebe[maxn];
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
int n = a.size();
int m = v.size();
for(int i = 0; i < m; i++){
if(u[i] == v[i]) sebe[u[i]] = 1;
if(v[i] == u[i] + 1) desno[u[i]] = 1;
}
vector <int> ans(n, 1);
bool ok = 0;
for(int i = n - 1; i >= 0; i--){
if(!desno[i]) ok = 0;
if(sebe[i] && a[i] == 1 && r[i] == 1) ok = 1;
if(sebe[i] && a[i] == 0 && r[i] == 0) ok = 0;
ans[i] = ok;
}
return ans;
}
