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update
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@@ -155,7 +155,7 @@
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"25.1K\", \"totalSubmission\": \"37.8K\", \"totalAcceptedRaw\": 25119, \"totalSubmissionRaw\": 37768, \"acRate\": \"66.5%\"}",
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"stats": "{\"totalAccepted\": \"25.1K\", \"totalSubmission\": \"37.8K\", \"totalAcceptedRaw\": 25120, \"totalSubmissionRaw\": 37769, \"acRate\": \"66.5%\"}",
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"hints": [
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"Maintain a prefix sum for the frequencies of characters.",
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"You can iterate over all substring then iterate over the alphabet and find which character appears most and which appears least using the prefix sum array"
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