private static void Helper(LeetCode1379TreeNode o, LeetCode1379TreeNode c, LeetCode1379TreeNode t) { if (o == null) { return; } Helper(o.left, c.left, t); if (o == t) { ans = c; } Helper(o.right, c.right, t); }
public static LeetCode1379TreeNode GetTargetCopy(LeetCode1379TreeNode original, LeetCode1379TreeNode cloned, LeetCode1379TreeNode target) { Helper(original, cloned, target); return(ans); }