#include "festival"
#include <bits/stdc++.h>
using namespace std;
#define all(v) (v).begin(), (v).end()
vector<int> max_coupons(int a, vector<int> p, vector<int> t) {
vector<pair<int, int>> t1, t2;
for (int i = 0; i < p.size(); i++) {
if (t[i] == 1) t1.push_back({p[i], i});
else t2.push_back({p[i], i});
}
sort(all(t1));
sort(all(t2));
for (int i = 1; i < t1.size(); i++) t1[i].first += t1[i - 1].first;
int idx = -1, cur = a, ans = upper_bound(all(t1), make_pair(a, 0)) - t1.begin();
for (int i = 0; i < t2.size(); i++) {
if (cur < t2[i].first) break;
cur = (cur - t2[i].first) * 2;
int cur_val = (upper_bound(all(t1), make_pair(cur, 0)) - t1.begin()) + i + 1;
if (cur_val > ans) {
ans = cur_val;
idx = i;
}
}
vector<int> v;
int cur_ans = a;
for (int i = 0; i <= idx; i++) {
cur_ans = (cur_ans - t2[i].first) * 2;
v.push_back(t2[i].second);
}
int cur_idx = 0;
while (cur_idx < t1.size()) {
if (cur_ans < t1[cur_idx].first) break;
v.push_back(t1[cur_idx++].second);
}
return v;
}
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