CS_learn/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2026-05-03 07:10:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

build

Browse Source
This commit is contained in:
krahets
2023-11-09 05:13:48 +08:00
parent 9701430089
commit 0105644232
83 changed files with 516 additions and 509 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
docs/chapter_searching/binary_search.md
View File

@@ -10,7 +10,7 @@ comments: true
给定一个长度为 $n$ 的数组 `nums` ，元素按从小到大的顺序排列，数组不包含重复元素。请查找并返回元素 `target` 在该数组中的索引。若数组不包含该元素，则返回 $-1$ 。
![二分查找示例数据](binary_search.assets/binary_search_example.png)
![二分查找示例数据](binary_search.assets/binary_search_example.png){ class="animation-figure" }
<p align="center"> 图 10-1 &nbsp; 二分查找示例数据 </p>
@@ -27,25 +27,25 @@ comments: true
若数组不包含目标元素，搜索区间最终会缩小为空。此时返回 $-1$ 。
=== "<1>"
![二分查找流程](binary_search.assets/binary_search_step1.png)
![二分查找流程](binary_search.assets/binary_search_step1.png){ class="animation-figure" }
=== "<2>"
![binary_search_step2](binary_search.assets/binary_search_step2.png)
![binary_search_step2](binary_search.assets/binary_search_step2.png){ class="animation-figure" }
=== "<3>"
![binary_search_step3](binary_search.assets/binary_search_step3.png)
![binary_search_step3](binary_search.assets/binary_search_step3.png){ class="animation-figure" }
=== "<4>"
![binary_search_step4](binary_search.assets/binary_search_step4.png)
![binary_search_step4](binary_search.assets/binary_search_step4.png){ class="animation-figure" }
=== "<5>"
![binary_search_step5](binary_search.assets/binary_search_step5.png)
![binary_search_step5](binary_search.assets/binary_search_step5.png){ class="animation-figure" }
=== "<6>"
![binary_search_step6](binary_search.assets/binary_search_step6.png)
![binary_search_step6](binary_search.assets/binary_search_step6.png){ class="animation-figure" }
=== "<7>"
![binary_search_step7](binary_search.assets/binary_search_step7.png)
![binary_search_step7](binary_search.assets/binary_search_step7.png){ class="animation-figure" }
<p align="center"> 图 10-2 &nbsp; 二分查找流程 </p>
@@ -627,7 +627,7 @@ comments: true
由于“双闭区间”表示中的左右边界都被定义为闭区间，因此指针 $i$ 和 $j$ 缩小区间操作也是对称的。这样更不容易出错，**因此一般建议采用“双闭区间”的写法**。
![两种区间定义](binary_search.assets/binary_search_ranges.png)
![两种区间定义](binary_search.assets/binary_search_ranges.png){ class="animation-figure" }
<p align="center"> 图 10-3 &nbsp; 两种区间定义 </p>