feat: update lc problems

[yanglbme]

No description provided.

[idoocs]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 15.9%, saving 344.66 KB.

Filename	Before	After	Improvement	Visual comparison
solution/0300-0399/0314.Binary Tree Vertical Order Traversal/images/image1.png	277.49 KB	212.28 KB	-23.5%	View diff
solution/0300-0399/0314.Binary Tree Vertical Order Traversal/images/image2.png	475.38 KB	347.89 KB	-26.8%	View diff
solution/0300-0399/0314.Binary Tree Vertical Order Traversal/images/image3.png	334.31 KB	250.25 KB	-25.1%	View diff
solution/0400-0499/0428.Serialize and Deserialize N-ary Tree/images/1727093143-BPVnoI-image.png	25.65 KB	15.67 KB	-38.9%	View diff
solution/0400-0499/0428.Serialize and Deserialize N-ary Tree/images/1727093169-WGFOps-image.png	39.75 KB	28.94 KB	-27.2%	View diff
solution/1600-1699/1666.Change the Root of a Binary Tree/images/1727138189-YtDgTf-image.png	499.36 KB	484.88 KB	-2.9%	View diff
solution/1600-1699/1666.Change the Root of a Binary Tree/images/bt_image_1.png	517.48 KB	484.88 KB	-6.3%	View diff

1967 images did not require optimisation.