C++ recursion 0ms


  • 0
    B

    class Solution {
    public:
    bool isSameTree(TreeNode* p, TreeNode* q) {
    if(p == NULL && q == NULL)
    return true;
    else if(p == NULL || q ==NULL)
    return false;
    else if(p != NULL && q != NULL && p->val != q->val)
    return false;
    else
    return (isSameTree(p->left,q->left))&&(isSameTree(p->right,q->right));

    }
    

    };


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