public static LeetCode617Node MergeTrees(LeetCode617Node t1, LeetCode617Node t2)
{
if (t1 == null)
{
return(t2);
}
if (t2 == null)
{
return(t1);
}
var root = new LeetCode617Node(t1.val + t2.val);
root.left = MergeTrees(t1.left, t2.left);
root.right = MergeTrees(t1.right, t2.right);
return(root);
}
public LeetCode617Node(int val = 0, LeetCode617Node left = null, LeetCode617Node right = null)
{
this.val = val;
this.left = left;
this.right = right;
}
