1 line C++ solution


  • 0
    P

    No any coding trick, list the two TRUE cases, else return false.

    bool isSameTree(TreeNode* p, TreeNode* q) {
        return (p == NULL && q == NULL) || (p != NULL && q != NULL && p->val == q->val && isSameTree(p->left, q->left) && isSameTree(p->right, q->right));
    }

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