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update
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@@ -161,7 +161,7 @@
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"199.1K\", \"totalSubmission\": \"567.9K\", \"totalAcceptedRaw\": 199083, \"totalSubmissionRaw\": 567892, \"acRate\": \"35.1%\"}",
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"stats": "{\"totalAccepted\": \"199.1K\", \"totalSubmission\": \"567.9K\", \"totalAcceptedRaw\": 199092, \"totalSubmissionRaw\": 567911, \"acRate\": \"35.1%\"}",
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"hints": [
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"Checking every two pairs will exceed the time limit. It will be O(n^2 * k). We need a faster way.",
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"If we hash every string in the array, how can we check if two pairs form a palindrome after the concatenation?",
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