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            "title": "Lowest Common Ancestor of a Binary Tree IV",
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            "exampleTestcases": "[3,5,1,6,2,0,8,null,null,7,4]\n[4,7]\n[3,5,1,6,2,0,8,null,null,7,4]\n[1]\n[3,5,1,6,2,0,8,null,null,7,4]\n[7,6,2,4]",
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                {
                    "name": "Tree",
                    "slug": "tree",
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                    "name": "Depth-First Search",
                    "slug": "depth-first-search",
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                    "name": "Binary Tree",
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                "Starting from the root, traverse the left and the right subtrees, checking if one of the nodes exist there.",
                "If one of the subtrees doesn't contain any given node, the LCA can be the node returned from the other subtree",
                "If both subtrees contain nodes, the LCA node is the current node."
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