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- /**
- * Definition for a binary tree node.
- * struct TreeNode {
- * int val;
- * struct TreeNode *left;
- * struct TreeNode *right;
- * };
- */
- bool isSameTree(struct TreeNode* p, struct TreeNode* q){
- if(!p && !q)
- return true;
- if(!p || !q)
- return false;
- if(p->val != q->val)
- return false;
- return isSameTree(p->left, q->left) && isSameTree(p->right, q->right);
- }
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