20251101

2025-11-01 08:20:49 +08:00
parent e0fbc20716
commit 6151e4f8c9
29 changed files with 1010 additions and 3 deletions
--- a/CPP4/CPP4.cpp
+++ b/CPP4/CPP4.cpp
@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define Type int
+
+// 定义哈希表
+typedef struct HashTable {
+    Type* table;
+	int Length;
+} HashTable;
+
+// 哈希函数
+int HashFunction(HashTable &HashTable,int key) {
+    return key % HashTable.Length;
+}
+
+// 初始化哈希表
+void initHashTable(HashTable &HashTable) {
+    HashTable.table = (Type*)malloc(HashTable.Length * sizeof(Type));
+    for (int i = 0; i < HashTable.Length; i++) {
+        HashTable.table[i] = -1;
+    }
+}
+
+// 线性探测再散列
+void insert1(HashTable &HashTable, int key) {
+    int index = HashFunction(HashTable, key);
+    while (HashTable.table[index] != -1) {
+        index = (index + 1) % HashTable.Length;
+    }
+    HashTable.table[index] = key;
+}
+
+// 二次探测再散列
+void insert2(HashTable& HashTable, int key) {
+    int index = HashFunction(HashTable, key);
+    if (HashTable.table[index] == -1) {
+        HashTable.table[index] = key;
+		return;
+    }
+
+    for (int i = 1; i < HashTable.Length; ++i) {
+        int sign = (i & 1) ? 1 : -1;
+        int sq = (i + 1) / 2;
+        int d = sign * sq * sq;
+        int position = (index + d) % HashTable.Length;
+        if (position < 0) position += HashTable.Length;
+        if (HashTable.table[position] == -1) {
+            HashTable.table[position] = key;
+            return;
+        }
+    }
+}
+
+// 打印哈希表
+void printHashTable(HashTable &HashTable) {
+    for (int i = 0; i < HashTable.Length; i++) {
+        if (HashTable.table[i] == -1) {
+            printf("空 ");
+        }
+        else {
+            printf("%d ", HashTable.table[i]);
+        }
+    }
+}
+
+int main()
+{
+    HashTable HashTable1, HashTable2;
+    HashTable1.Length = 11;
+    HashTable2.Length = 11;
+    initHashTable(HashTable1);
+    initHashTable(HashTable2);
+    int keys[] = { 19, 1, 23, 14, 55, 68, 11, 82, 36 };
+    int n = sizeof(keys) / sizeof(keys[0]);
+
+    for (int i = 0; i < n; i++) {
+        insert1(HashTable1, keys[i]);
+    }
+
+    for (int i = 0; i < n; i++) {
+        insert2(HashTable2, keys[i]);
+    }
+
+    // 打印哈希表
+	printf("线性探测再散列结果:\n");
+    printHashTable(HashTable1);
+	printf("\n");
+	printf("二次探测再散列结果:\n");
+    printHashTable(HashTable2);
+
+    return 0;
+}
--- a/CPP4/CPP4.sln
+++ b/CPP4/CPP4.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
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+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CPP4", "CPP4.vcxproj", "{3E1258FB-07C6-41FC-AA54-03A983857CDE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
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+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Debug|x64.ActiveCfg = Debug|x64
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Debug|x64.Build.0 = Debug|x64
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Debug|x86.ActiveCfg = Debug|Win32
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Debug|x86.Build.0 = Debug|Win32
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Release|x64.ActiveCfg = Release|x64
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Release|x64.Build.0 = Release|x64
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Release|x86.ActiveCfg = Release|Win32
+		{3E1258FB-07C6-41FC-AA54-03A983857CDE}.Release|x86.Build.0 = Release|Win32
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+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {10EDD9F8-190F-4596-ADAB-DBE0E5F185FC}
+	EndGlobalSection
+EndGlobal
--- a/CPP4/CPP4.vcxproj
+++ b/CPP4/CPP4.vcxproj
@@ -0,0 +1,131 @@
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+    <ProjectConfiguration Include="Release|Win32">
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+      <Platform>Win32</Platform>
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+    <ProjectConfiguration Include="Debug|x64">
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+    <ProjectConfiguration Include="Release|x64">
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--- a/CPP4/CPP4.vcxproj.filters
+++ b/CPP4/CPP4.vcxproj.filters
@@ -0,0 +1,22 @@
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