/**
* struct TreeNode {
* int val;
* struct TreeNode *left;
* struct TreeNode *right;
* };
*/
class Solution {
public:
/**
*
* @param root1 TreeNode类
* @param root2 TreeNode类
* @return bool布尔型
*/
bool isOk(TreeNode* root1, TreeNode* root2) {
if(root1 == nullptr && root2 == nullptr) return true;
if(root1 == nullptr || root2 == nullptr) return false;
if(root1->val == root2->val) {
if(!isOk(root1->left, root2->left)) return false;
if(!isOk(root1->right, root2->right)) return false;
return true;
}else
return false;
}
bool isContains(TreeNode* root1, TreeNode* root2) {
// write code here
if(isOk(root1, root2)) return true;
if(root1->left && isContains(root1->left, root2)) return true;
if(root1->right && isContains(root1->right, root2)) return true;
return false;
}
};