//#include "festival.h" #include<bits/stdc++.h> using namespace std; #define pb push_back #define ff first #define ss second #define ll long long std::vector<int> max_coupons(int A, std::vector<int> P, std::vector<int> T) { int n = P.size(); vector<int> order(n); for(int i = 0; i < n; i++) { order[i] = i; } sort((order).begin(), (order).end(), [&](int i, int j) { ll x = P[i], y = P[j], t1 = T[i], t2 = T[j]; return t1 * t2 * x + y * t2 < t1 * t2 * y + x * t1; }); return order; }