1518 - Water Bottles

 JAVA

• class Solution {
      public int numWaterBottles(int numBottles, int numExchange) {
          int ans = numBottles;
          for (; numBottles >= numExchange; ++ans) {
              numBottles -= (numExchange - 1);
          }
          return ans;
      }
  }
  

• 


C++

• class Solution {
  public:
      int numWaterBottles(int numBottles, int numExchange) {
          int ans = numBottles;
          for (; numBottles >= numExchange; ++ans) {
              numBottles -= (numExchange - 1);
          }
          return ans;
      }
  };
  

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