即是节点x父节点x->parent的兄弟_Rb_tree_node_base* __y = __x->_M_parent->_M_parent->_M_left;if(__y && __y->_M_color == _S_rb_tree_red) {//若叔叔节点存在,且为红色__x->_M_parent->_M
Lookup, insertion, and deletion are performed in O(log N) time in the expected and worst cases. On the other hand, the average case complexity of lookup/insertion/deletion on a Hash is constant time. A Hash is usually faster than a RBTree where ordering is unimportant. The elements of ...
insertion rb tree do as binary search tree then fix up fulfill rb tree properties. code snap voidrb_insert(T,z){y=NIL(T);x=root(T);while(x!=NIL(T)){//find proper leaf position store in yy=x;if(k(z)<k(x))x=l(x);elsex=r(x);}p(z)=y;// z's parent -> yif(y==NI...
开发者ID:rumidier,项目名称:Bit,代码行数:23,代码来源:rb_wootree.c 示例4: jffs2_add_tn_to_tree ▲点赞 1▼ /* * Put a new tmp_dnode_info into the temporaty RB-tree, keeping the list in * order of increasing version. */staticvoidjffs2_add_tn_to_tree(struct jffs2_tmp_dnode_in...
方案C在方案B的基础上更近一步,将结构3.2通过左旋转变为结构3.1,将3-node结构规约为一种结构,这个方案又叫LLRB(left-leaning RB-tree),它的基本结构与2-3-4 tree一一对应,实现简单,而且算法统一。 下图演示了RB-tree的插入过程。RB-tree插入新节点时,保证插入到叶节点处,而且着色为红色。插入和删除操作可能会...
- rb_insert_color_cached(node, cached_root, new) - rb_erase_cached(node, cached_root) In addition, augmented cached interfaces are also added for basic insertion and deletion operations; which becomes important for the interval tree changes. With the exception of the inserts, which adds a ...
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The RB_INSERT() macro inserts the new element elm into the tree. Upon success, NULL is returned. If a matching element already exists in the tree, the insertion is aborted, and a pointer to the existing element is returned. The RB_REMOVE() macro removes the element elm from the tree...
The SPLAY_INSERT() macro inserts the new element elm into the tree. Upon success, NULL is returned. If a matching element already exists in the tree, the insertion is aborted, and a pointer to the existing element is returned. The SPLAY_REMOVE() macro removes the element elm from the tr...
(new)) return -ENOTEMPTY; /* Accepted element: pick insertion point depending on key value */ parent = NULL; p = &priv->root.rb_node; while (*p != NULL) { parent = *p; rbe = rb_entry(parent, struct nft_rbtree_elem, node); d = nft_rbtree_cmp(set...