public static bool IsSameTree(LeetCode100TreeNode t1, LeetCode100TreeNode t2)
{
if (t1 == null && t2 == null)
{
return(true);
}
if (t1 == null || t2 == null)
{
return(false);
}
if (t1.val != t2.val)
{
return(false);
}
return(IsSameTree(t1.left, t2.left) && IsSameTree(t1.right, t2.right));
}
public LeetCode100TreeNode(int val = 0, LeetCode100TreeNode left = null, LeetCode100TreeNode right = null)
{
this.val = val;
this.left = left;
this.right = right;
}