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leetcode-problemset/leetcode-cn/problem (Chinese)/换酒问题 [water-bottles].html

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2022-03-27 20:37:52 +08:00
<p>小区便利店正在促销,用 <code>numExchange</code> 个空酒瓶可以兑换一瓶新酒。你购入了 <code>numBottles</code> 瓶酒。</p>
<p>如果喝掉了酒瓶中的酒,那么酒瓶就会变成空的。</p>
<p>请你计算 <strong>最多</strong> 能喝到多少瓶酒。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<p><strong><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/07/19/sample_1_1875.png" style="height: 240px; width: 480px;"></strong></p>
<pre><strong>输入:</strong>numBottles = 9, numExchange = 3
<strong>输出:</strong>13
<strong>解释:</strong>你可以用 <code>3</code> 个空酒瓶兑换 1 瓶酒。
所以最多能喝到 9 + 3 + 1 = 13 瓶酒。
</pre>
<p><strong>示例 2</strong></p>
<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/07/19/sample_2_1875.png" style="height: 240px; width: 790px;"></p>
<pre><strong>输入:</strong>numBottles = 15, numExchange = 4
<strong>输出:</strong>19
<strong>解释:</strong>你可以用 <code>4</code> 个空酒瓶兑换 1 瓶酒。
所以最多能喝到 15 + 3 + 1 = 19 瓶酒。
</pre>
<p><strong>示例 3</strong></p>
<pre><strong>输入:</strong>numBottles = 5, numExchange = 5
<strong>输出:</strong>6
</pre>
<p><strong>示例 4</strong></p>
<pre><strong>输入:</strong>numBottles = 2, numExchange = 3
<strong>输出:</strong>2
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 &lt;=&nbsp;numBottles &lt;= 100</code></li>
<li><code>2 &lt;=&nbsp;numExchange &lt;= 100</code></li>
</ul>