[Java] LeetCode 1518 : Water Bottles LeetCode # 1518 Example 1: Input: numBottles = 9, numExchange = 3 Output: 13 Explanation: You can exchange 3 empty bottles to get 1 full water bottle. Number of water bottles you can drink: 9 + 3 + 1 = 13. Constraints: 1 LeetCode/Easy 2021.04.17
