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@@ -167,7 +167,7 @@
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"207.5K\", \"totalSubmission\": \"267.4K\", \"totalAcceptedRaw\": 207475, \"totalSubmissionRaw\": 267418, \"acRate\": \"77.6%\"}",
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"stats": "{\"totalAccepted\": \"207.5K\", \"totalSubmission\": \"267.4K\", \"totalAcceptedRaw\": 207490, \"totalSubmissionRaw\": 267438, \"acRate\": \"77.6%\"}",
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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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