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41 lines
1.4 KiB
HTML
41 lines
1.4 KiB
HTML
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<p>超市正在促销，你可以用 <code>numExchange</code> 个空水瓶从超市兑换一瓶水。最开始，你一共购入了 <code>numBottles</code> 瓶水。</p>
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<p>如果喝掉了水瓶中的水，那么水瓶就会变成空的。</p>
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<p>给你两个整数 <code>numBottles</code> 和 <code>numExchange</code> ，返回你 <strong>最多</strong> 可以喝到多少瓶水。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<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>
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<pre>
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<strong>输入：</strong>numBottles = 9, numExchange = 3
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<strong>输出：</strong>13
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<strong>解释：</strong>你可以用 <code>3</code> 个空瓶兑换 1 瓶水。
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所以最多能喝到 9 + 3 + 1 = 13 瓶水。
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</pre>
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<p><strong>示例 2：</strong></p>
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<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>
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<pre>
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<strong>输入：</strong>numBottles = 15, numExchange = 4
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<strong>输出：</strong>19
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<strong>解释：</strong>你可以用 <code>4</code> 个空瓶兑换 1 瓶水。
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所以最多能喝到 15 + 3 + 1 = 19 瓶水。
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</pre>
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<p> </p>
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<p> </p>
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<p><strong>提示：</strong></p>
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<ul>
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<li><code>1 <= numBottles <= 100</code></li>
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<li><code>2 <= numExchange <= 100</code></li>
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</ul>
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