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27 lines
848 B
HTML
27 lines
848 B
HTML
<p>Given an integer array <code>nums</code>, return all the different possible increasing subsequences of the given array with <strong>at least two elements</strong>. You may return the answer in <strong>any order</strong>.</p>
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<p>The given array may contain duplicates, and two equal integers should also be considered a special case of increasing sequence.</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> nums = [4,6,7,7]
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<strong>Output:</strong> [[4,6],[4,6,7],[4,6,7,7],[4,7],[4,7,7],[6,7],[6,7,7],[7,7]]
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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> nums = [4,4,3,2,1]
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<strong>Output:</strong> [[4,4]]
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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 <= nums.length <= 15</code></li>
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<li><code>-100 <= nums[i] <= 100</code></li>
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</ul>
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