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存量题库数据更新
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@@ -5,7 +5,7 @@
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<p>Note that the strings are considered in the <strong>order in which they appear</strong> in the array.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<p><strong class="example">Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> arr = ["d","b","c","b","c","a"], k = 2
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@@ -17,7 +17,7 @@ The only distinct strings in arr are "d" and "a".
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Since k == 2, "a" is returned.
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</pre>
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<p><strong>Example 2:</strong></p>
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<p><strong class="example">Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> arr = ["aaa","aa","a"], k = 1
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@@ -26,7 +26,7 @@ Since k == 2, "a" is returned.
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All strings in arr are distinct, so the 1<sup>st</sup> string "aaa" is returned.
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</pre>
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<p><strong>Example 3:</strong></p>
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<p><strong class="example">Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> arr = ["a","b","a"], k = 3
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