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@@ -173,7 +173,7 @@
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"18.6K\", \"totalSubmission\": \"30.2K\", \"totalAcceptedRaw\": 18584, \"totalSubmissionRaw\": 30161, \"acRate\": \"61.6%\"}",
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"stats": "{\"totalAccepted\": \"18.6K\", \"totalSubmission\": \"30.2K\", \"totalAcceptedRaw\": 18586, \"totalSubmissionRaw\": 30165, \"acRate\": \"61.6%\"}",
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"hints": [
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"Use two stacks: one for back history, and one for forward history. You can simulate the functions by popping an element from one stack and pushing it into the other.",
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"Can you improve program runtime by using a different data structure?"
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