leetcode

0 class Solution {

1 public:

2 int buyChoco(const vector<int> &prices, int money) const {

3 int a = prices[0], b = prices[1];

4 if (a > b) swap(a, b);

5 for (int i = 2; i < prices.size(); i++) {

6 if (a > prices[i]) {

7 b = a;

8 a = prices[i];

9 } else if (b > prices[i]) {

10 b = prices[i];

11 }

12 }

13 return a + b <= money ? money - (a + b) : money;

14 }

15 };