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krahets
2023-02-07 17:17:14 +08:00
parent ecbf2d1560
commit 1ca5c731f7
19 changed files with 501 additions and 192 deletions
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build/chapter_sorting/merge_sort.md
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@@ -62,11 +62,9 @@ comments: true
=== "Java"
```java title="merge_sort.java"
/**
* 合并左子数组和右子数组
* 左子数组区间 [left, mid]
* 右子数组区间 [mid + 1, right]
*/
/* 合并左子数组和右子数组 */
// 左子数组区间 [left, mid]
// 右子数组区间 [mid + 1, right]
void merge(int[] nums, int left, int mid, int right) {
// 初始化辅助数组
int[] tmp = Arrays.copyOfRange(nums, left, right + 1);
@@ -89,16 +87,16 @@ comments: true
nums[k] = tmp[j++];
}
}
/* 归并排序 */
void mergeSort(int[] nums, int left, int right) {
// 终止条件
if (left >= right) return; // 当子数组长度为 1 时终止递归
// 递归划分
int mid = (left + right) / 2; // 计算数组中点
// 划分阶段
int mid = (left + right) / 2; // 计算中点
mergeSort(nums, left, mid); // 递归左子数组
mergeSort(nums, mid + 1, right); // 递归右子数组
// 回溯合并
// 合并阶段
merge(nums, left, mid, right);
}
```
@@ -106,11 +104,9 @@ comments: true
=== "C++"
```cpp title="merge_sort.cpp"
/**
* 合并左子数组和右子数组
* 左子数组区间 [left, mid]
* 右子数组区间 [mid + 1, right]
*/
/* 合并左子数组和右子数组 */
// 左子数组区间 [left, mid]
// 右子数组区间 [mid + 1, right]
void merge(vector<int>& nums, int left, int mid, int right) {
// 初始化辅助数组
vector<int> tmp(nums.begin() + left, nums.begin() + right + 1);
@@ -245,11 +241,9 @@ comments: true
=== "JavaScript"
```js title="merge_sort.js"
/**
* 合并左子数组和右子数组
* 左子数组区间 [left, mid]
* 右子数组区间 [mid + 1, right]
*/
/* 合并左子数组和右子数组 */
// 左子数组区间 [left, mid]
// 右子数组区间 [mid + 1, right]
function merge(nums, left, mid, right) {
// 初始化辅助数组
let tmp = nums.slice(left, right + 1);
@@ -290,11 +284,9 @@ comments: true
=== "TypeScript"
```typescript title="merge_sort.ts"
/**
* 合并左子数组和右子数组
* 左子数组区间 [left, mid]
* 右子数组区间 [mid + 1, right]
*/
/* 合并左子数组和右子数组 */
// 左子数组区间 [left, mid]
// 右子数组区间 [mid + 1, right]
function merge(nums: number[], left: number, mid: number, right: number): void {
// 初始化辅助数组
let tmp = nums.slice(left, right + 1);
@@ -341,11 +333,9 @@ comments: true
=== "C#"
```csharp title="merge_sort.cs"
/**
* 合并左子数组和右子数组
* 左子数组区间 [left, mid]
* 右子数组区间 [mid + 1, right]
*/
/* 合并左子数组和右子数组 */
// 左子数组区间 [left, mid]
// 右子数组区间 [mid + 1, right]
void merge(int[] nums, int left, int mid, int right)
{
// 初始化辅助数组