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Copy pathsametree.cpp
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21 lines (21 loc) · 676 Bytes
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/**
* Definition for a binary tree node.
* struct TreeNode {
* int val;
* TreeNode *left;
* TreeNode *right;
* TreeNode() : val(0), left(nullptr), right(nullptr) {}
* TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
* TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}
* };
*/
class Solution {
public:
bool isSameTree(TreeNode* p, TreeNode* q) {
if(p==NULL and q==NULL)
return 1;
if((p==NULL and q!=NULL) or (p!=NULL and q==NULL))
return 0;
return ((p->val == q->val) and isSameTree(p->left,q->left) and isSameTree(p->right,q->right));
}
};