leetcode

0 class Cashier {

1 uint16_t price[201];

2 uint16_t n, crnt = 0;

3 double discount;

4

5 public:

6 Cashier(int n, int discount, const vector<int> &products, const vector<int> &prices)

7 : n(n), discount((double)(100 - discount) / 100.0) {

8 for (int i = 0; i < products.size(); i++)

9 this->price[products[i]] = prices[i];

10 }

11

12 double getBill(const vector<int> &product, const vector<int> &amount) {

13 uint32_t total = 0;

14 for (uint8_t i = 0; i < product.size(); i++)

15 total += price[product[i]] * amount[i];

16

17 if (++crnt == n) {

18 crnt = 0;

19 return total * discount;

20 }

21

22 return total;

23 }

24 };