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mirror of https://github.com/Didnelpsun/CS408.git synced 2026-11-01 21:07:12 +08:00

更新排序

This commit is contained in:
Didnelpsun
2021-05-04 23:58:05 +08:00
parent 167ee582c9
commit 3ce734776c
4 changed files with 213 additions and 0 deletions

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@@ -153,6 +153,7 @@
<ClInclude Include="link_stack.h" />
<ClInclude Include="link_string.h" />
<ClInclude Include="link_tree.h" />
<ClInclude Include="search.h" />
<ClInclude Include="sequence_list.h" />
<ClInclude Include="sequence_string.h" />
<ClInclude Include="static_link_list.h" />

79
Code/sort.h Normal file
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@@ -0,0 +1,79 @@
#include <stdio.h>
#include <stdlib.h>
#include "head.h"
// 直接插入排序
int DirectInsertSort(element_type data[], int length) {
int i, j;
element_type temp;
// 循环遍历数组
for (i = 1; i < length; i++) {
// 若data[i]关键字小于前一个
if (data[i] < data[i - 1]) {
// 用temp暂存data[i]
temp = data[i];
// 检查所有前面已经排好序的元素
for (j = i - 1; j >= 0 && data[j] > temp; --j) {
// 若元素大于temp则后移一位
data[j + 1] = data[j];
}
// 赋值到插入位置
data[j + 1] = temp;
}
}
return 0;
}
// 折半查找排序
int BinaryInsertSort(element_type data[], int length) {
int i, j, low, high, mid;
// 依次将data[2]到data[n-1]插入到前面已经排序的序列中
for (i = 2; i <= length; i++) {
// 将data[i]暂存到data[0]
data[0] = data[i];
// 设置折半查找的范围
low = 1;
high = i - 1;
while (low <= high) {
// 取中间点
mid = (low + high) / 2;
if (data[mid] > data[0]) {
// 查找左半子表
high = mid - 1;
}
else {
// 查找右半子表
low = mid + 1;
}
}
// 统一后移元素,空出插入位置
for (j = 1; j >= high + 1; --j) {
data[j + 1] = data[j];
}
// 插入元素
data[high + 1] = data[0];
}
return 0;
}
// 希尔排序
int ShellSort(element_type data[], int length) {
// d代表当前处理的增量值
int d, i, j;
// data[0]只是暂存数据,等j<=0时就到了插入位置
for (d = length / 2; d >= 1; d = d / 2) {
for (i = d + 1; i <= length; ++i) {
// 需要将data[i]插入到有序增量子表
if (data[i] < data[i - d]) {
// 暂存到data[0]中
data[0] = data[i];
for (j = i - d; j > 0 && data[0] < data[j]; j -= d) {
// 记录后移,寻找插入的位置
data[j + d] = data[j];
}
// 插入数据
data[j + d] = data[0];
}
}
}
}