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A simple code to solve it

2022-02-02 22:40:24 【CSDN Q & A】

use m An empty bottle can be exchanged for a coke , You bought it n Please output how many bottles of coke you can drink （n>m）. Example input n=9,m=3. Output 13



Refer to the answer 1：

This is not leetcode Today's daily question ？

    //  Mathematical methods     public int numWaterBottles(int n, int m) {        int cnt = n / (m - 1);        return n % (m - 1) == 0 ? n + cnt - 1 : n + cnt;    }    //  Simulation     public int numWaterBottles(int n, int m) {        int cnt = n;        while (n >= m) {            cnt += n / m;            n = n / m + n % m;        }        return cnt;    }


Refer to the answer 2：

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