SIMPLE c# solution


  • -2
    A
    public class Solution {
        public bool IsSameTree(TreeNode p, TreeNode q) {
            if (p==null && q==null){
                return true; 
            }else {
                if ((p==null && q!=null)|| (p!=null && q==null)){
                    return false;
                }else {
                    return ((p.val==q.val) && IsSameTree(p.left, q.left) && IsSameTree(p.right , q.right));
                }
            }
        }
    }

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