100. Same Tree
Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
0ms 37.5%
/**
* Definition for a binary tree node.
* struct TreeNode {
* int val;
* struct TreeNode *left;
* struct TreeNode *right;
* };
*/
bool isSameTree(struct TreeNode* p, struct TreeNode* q) {
int i,j;
if(q == NULL && p == NULL )
return true;
if(p == NULL && q != NULL )
return false;
if(q == NULL && p != NULL )
return false;
if( p->val != q->val )
return false;
return isSameTree(p->right,q->right) && isSameTree(p->left,q->left);
}
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