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            "questionFrontendId": "1612",
            "categoryTitle": "Algorithms",
            "boundTopicId": 439130,
            "title": "Check If Two Expression Trees are Equivalent",
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            "translatedTitle": "检查两棵二叉表达式树是否等价",
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                    "name": "Tree",
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                    "name": "Binary Tree",
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                    "translatedName": "二叉树",
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                "Count for each variable how many times it appeared in the first tree.",
                "Do the same for the second tree and check if the count is the same for both tree."
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