C語言二叉樹建立及前序、中序、後序遍歷，葉子節點，深度

struct BiTNode { int val; struct BiTNode* lchild; struct BiTNode* rchild; }; //樹的構建 思路遞歸方法 struct BiTNode* Create() { int val; scanf_s("%d", &val); struct BiTNode* root = (struct BiTNode*)malloc(sizeo

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