Method isSameTree

CPP/Trees/Same Tree.cpp:14–20

class Solution {
public:
    bool isSameTree(TreeNode* p, TreeNode* q) {
        if(p==NULL || q==NULL)
        {
        	return (p==q);
		}
		return ((p->val==q->val) && isSameTree(p->left,q->left) && isSameTree(p->right,q->right));
    }
};