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修改文件: _posts/2016-11-13-contains-duplicate.md
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_posts/2016-11-13-contains-duplicate.md

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@@ -6,6 +6,10 @@ categories: LeetCode
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tags: [LeetCode,Easy,数组,计数,一行实现]
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* content
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{:toc}
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>Given an array of integers, find if the array contains any duplicates.
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 Your function should return true if any value appears at least twice in the array, 
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and it should return false if every element is distinct.

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