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37 lines
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37 lines
1.2 KiB
HTML
<p>You are given an array <code>people</code> where <code>people[i]</code> is the weight of the <code>i<sup>th</sup></code> person, and an <strong>infinite number of boats</strong> where each boat can carry a maximum weight of <code>limit</code>. Each boat carries at most two people at the same time, provided the sum of the weight of those people is at most <code>limit</code>.</p>
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<p>Return <em>the minimum number of boats to carry every given person</em>.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> people = [1,2], limit = 3
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<strong>Output:</strong> 1
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<strong>Explanation:</strong> 1 boat (1, 2)
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</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> people = [3,2,2,1], limit = 3
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<strong>Output:</strong> 3
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<strong>Explanation:</strong> 3 boats (1, 2), (2) and (3)
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</pre>
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<p><strong>Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> people = [3,5,3,4], limit = 5
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<strong>Output:</strong> 4
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<strong>Explanation:</strong> 4 boats (3), (3), (4), (5)
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li><code>1 <= people.length <= 5 * 10<sup>4</sup></code></li>
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<li><code>1 <= people[i] <= limit <= 3 * 10<sup>4</sup></code></li>
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</ul>
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