LeetCode 100. Same Tree

LeetCode 100. Same Tree

Solution1:
这种弱智题提交这么多次。。。

/**
 * Definition for a binary tree node.
 * 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) {
        return my_Judge(p, q);
    }

    bool my_Judge(TreeNode* p, TreeNode* q) {
        if (p == NULL && q == NULL)
            return true;
        else if (p == NULL && q != NULL 
                 || q == NULL && p != NULL)
            return false;
        else if (p->val != q->val)
            return false;
        else {
            if (my_Judge(p->left, q->left) == false 
               || my_Judge(p->right, q->right) == false)
                return false;
            else
                return true;
        }
    }
};