Water Bottles
给一个数字表示汽水的个数, 另一个表示喝完后空瓶换新需要的比例. 求一共能喝几瓶.
模拟一下
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
class Solution { public int numWaterBottles(int numBottles, int numExchange) { int res = 0; int empty = 0; do { res += numBottles; empty += numBottles; int newNumBottles = empty / numExchange; empty %= numExchange; numBottles = newNumBottles; } while(numBottles > 0); return res; } } |