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SameTree.cpp
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33 lines (29 loc) · 867 Bytes
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//============================================================================
// 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.
//============================================================================
#include <iostream>
using namespace std;
/**
* Definition for binary tree
*/
struct TreeNode {
int val;
TreeNode *left;
TreeNode *right;
TreeNode(int x) : val(x), left(NULL), right(NULL) {}
};
class Solution {
public:
bool isSameTree(TreeNode *p, TreeNode *q) {
if (p == NULL || q == NULL) return p == q;
if (p->val != q->val) return false;
return isSameTree(p->left, q->left) && isSameTree(p->right, q->right);
}
};
int main() {
return 0;
}