mirror of
https://github.com/torvalds/linux.git
synced 2024-11-21 19:41:42 +00:00
Documentation: Fix the compilation errors in union_find.rst
Fix the compilation errors and warnings caused by merging Documentation/core-api/union_find.rst and Documentation/translations/zh_CN/core-api/union_find.rst. Signed-off-by: Xavier <xavier_qy@163.com> Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
parent
ab03125268
commit
563ea1f5f8
@ -49,6 +49,7 @@ Library functionality that is used throughout the kernel.
|
||||
wrappers/atomic_t
|
||||
wrappers/atomic_bitops
|
||||
floating-point
|
||||
union_find
|
||||
|
||||
Low level entry and exit
|
||||
========================
|
||||
|
@ -16,9 +16,11 @@ of disjoint sets. The primary operations supported by union-find are:
|
||||
|
||||
Initialization: Resetting each element as an individual set, with
|
||||
each set's initial parent node pointing to itself.
|
||||
|
||||
Find: Determine which set a particular element belongs to, usually by
|
||||
returning a “representative element” of that set. This operation
|
||||
is used to check if two elements are in the same set.
|
||||
|
||||
Union: Merge two sets into one.
|
||||
|
||||
As a data structure used to maintain sets (groups), union-find is commonly
|
||||
@ -63,7 +65,7 @@ operation, the tree with the smaller rank is attached under the tree with the
|
||||
larger rank to maintain balance.
|
||||
|
||||
Initializing union-find
|
||||
--------------------
|
||||
-----------------------
|
||||
|
||||
You can complete the initialization using either static or initialization
|
||||
interface. Initialize the parent pointer to point to itself and set the rank
|
||||
@ -71,7 +73,9 @@ to 0.
|
||||
Example::
|
||||
|
||||
struct uf_node my_node = UF_INIT_NODE(my_node);
|
||||
|
||||
or
|
||||
|
||||
uf_node_init(&my_node);
|
||||
|
||||
Find the Root Node of union-find
|
||||
|
@ -49,6 +49,7 @@
|
||||
generic-radix-tree
|
||||
packing
|
||||
this_cpu_ops
|
||||
union_find
|
||||
|
||||
=======
|
||||
|
||||
|
@ -3,21 +3,23 @@
|
||||
|
||||
:Original: Documentation/core-api/union_find.rst
|
||||
|
||||
===========================
|
||||
=============================
|
||||
Linux中的并查集(Union-Find)
|
||||
===========================
|
||||
=============================
|
||||
|
||||
|
||||
:日期: 2024年6月21日
|
||||
:作者: Xavier <xavier_qy@163.com>
|
||||
|
||||
何为并查集,它有什么用?
|
||||
---------------------
|
||||
------------------------
|
||||
|
||||
并查集是一种数据结构,用于处理一些不交集的合并及查询问题。并查集支持的主要操作:
|
||||
初始化:将每个元素初始化为单独的集合,每个集合的初始父节点指向自身
|
||||
初始化:将每个元素初始化为单独的集合,每个集合的初始父节点指向自身。
|
||||
|
||||
查询:查询某个元素属于哪个集合,通常是返回集合中的一个“代表元素”。这个操作是为
|
||||
了判断两个元素是否在同一个集合之中。
|
||||
|
||||
合并:将两个集合合并为一个。
|
||||
|
||||
并查集作为一种用于维护集合(组)的数据结构,它通常用于解决一些离线查询、动态连通性和
|
||||
@ -37,7 +39,7 @@ Linux中的并查集(Union-Find)
|
||||
https://en.wikipedia.org/wiki/Disjoint-set_data_structure
|
||||
|
||||
并查集的Linux实现
|
||||
----------------
|
||||
------------------
|
||||
|
||||
Linux的并查集实现在文件“lib/union_find.c”中。要使用它,需要
|
||||
“#include <linux/union_find.h>”。
|
||||
@ -48,22 +50,25 @@ Linux的并查集实现在文件“lib/union_find.c”中。要使用它,需
|
||||
struct uf_node *parent;
|
||||
unsigned int rank;
|
||||
};
|
||||
|
||||
其中parent为当前节点的父节点,rank为当前树的高度,在合并时将rank小的节点接到rank大
|
||||
的节点下面以增加平衡性。
|
||||
|
||||
初始化并查集
|
||||
---------
|
||||
-------------
|
||||
|
||||
可以采用静态或初始化接口完成初始化操作。初始化时,parent 指针指向自身,rank 设置
|
||||
为 0。
|
||||
示例::
|
||||
|
||||
struct uf_node my_node = UF_INIT_NODE(my_node);
|
||||
|
||||
或
|
||||
|
||||
uf_node_init(&my_node);
|
||||
|
||||
查找并查集的根节点
|
||||
----------------
|
||||
------------------
|
||||
|
||||
主要用于判断两个并查集是否属于一个集合,如果根相同,那么他们就是一个集合。在查找过程中
|
||||
会对路径进行压缩,提高后续查找效率。
|
||||
@ -78,7 +83,7 @@ Linux的并查集实现在文件“lib/union_find.c”中。要使用它,需
|
||||
connected = 0;
|
||||
|
||||
合并两个并查集
|
||||
-------------
|
||||
--------------
|
||||
|
||||
对于两个相交的并查集进行合并,会首先查找它们各自的根节点,然后根据根节点秩大小,将小的
|
||||
节点连接到大的节点下面。
|
||||
|
Loading…
Reference in New Issue
Block a user