[leetcode-100]Same Tree(C)

[code]/**
 * Definition for a binary tree node.
 * struct TreeNode {
 *     int val;
 *     struct TreeNode *left;
 *     struct TreeNode *right;
 * };
 */
bool isSameTree(struct TreeNode* p, struct TreeNode* q) {
    if((!p)||(!q))
            return p==q;
    if(p->val!=q->val)
           return false;
      return isSameTree(p->left,q->left) && isSameTree(p->right,q->right);
}