动画演示 https://visualgo.net/zh/bst
3341 二叉树遍历
https://blog.csdn.net/axuhongbo/article/details/60574243
求二叉树的层次遍历
https://blog.csdn.net/axuhongbo/article/details/60574264
sdutacm-求二叉树的叶子
https://blog.csdn.net/axuhongbo/article/details/60619828
sdutacm-求二叉树的深度
https://blog.csdn.net/axuhongbo/article/details/60620921
树的同构
https://blog.csdn.net/axuhongbo/article/details/60622877
sdutacm-数据结构实验之查找二：平衡二叉树
https://blog.csdn.net/axuhongbo/article/details/60628369