#include "festival.h" #include <bits/stdc++.h> using namespace std; #define ll long long #define all(x) (x).begin(), (x).end() vector<int> max_coupons(int A, vector<int> P, vector<int> T){ ll a = A; vector<ll> p(all(P)), t(all(T)); ll n = p.size(); vector<ll> o(n); iota(all(o), 0); sort(all(o), [&](ll i, ll j) { ll x = p[i], y = p[j], t1 = t[i], t2 = t[j]; return x * t1 * t2 + y * t2 < y * t1 * t2 + x * t1; }); vector<int> r; for(ll k = 0; k < n; k++){ ll i = o[k]; if(a - p[i] < 0) break; a -= p[i]; a *= t[i]; r.pb((int)i); } return r; }

festival.cpp: In function 'std::vector<int> max_coupons(int, std::vector<int>, std::vector<int>)':
festival.cpp:23:11: error: 'class std::vector<int>' has no member named 'pb'
   23 |         r.pb((int)i);
      |           ^~