Palezehvat · Palezehvat · Nov 30, 2022 · Nov 30, 2022 · Nov 30, 2022 · Nov 30, 2022
diff --git a/hashTable/hashTable.sln b/hashTable/hashTable.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hashTable", "hashTable\hashTable.vcxproj", "{95F90EAD-136D-4C34-A865-9E53811D167C}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Debug|x64.ActiveCfg = Debug|x64
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Debug|x64.Build.0 = Debug|x64
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Debug|x86.ActiveCfg = Debug|Win32
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Debug|x86.Build.0 = Debug|Win32
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Release|x64.ActiveCfg = Release|x64
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Release|x64.Build.0 = Release|x64
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Release|x86.ActiveCfg = Release|Win32
+		{95F90EAD-136D-4C34-A865-9E53811D167C}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C8C7A619-4AC6-4277-9DF1-6A284BD7E9D0}
+	EndGlobalSection
+EndGlobal
diff --git a/hashTable/hashTable/hash.c b/hashTable/hashTable/hash.c
@@ -0,0 +1,132 @@
+#include "hash.h"
+#include "list.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+typedef struct ElementsHashTable {
+    struct List* list;
+} ElementsHashTable;
+
+struct HashTable {
+    struct ElementsHashTable** arrayHash;
+    int hashSize;
+};
+
+HashTable* createHashArray(int* errorCode, int size) {
+    HashTable* table = calloc(1, sizeof(HashTable));
+    if (table == NULL) {
+        *errorCode = -1;
+        return NULL;
+    }
+    table->hashSize = size;
+    table->arrayHash = (ElementsHashTable**)malloc(size * sizeof(ElementsHashTable*));
+    if (table->arrayHash == NULL) {
+        *errorCode = -1;
+        return;
+    }
+    for (int i = 0; i < size; ++i) {
+        table->arrayHash[i] = (ElementsHashTable*)malloc(1 * sizeof(ElementsHashTable));
+        if (table->arrayHash[i] == NULL) {
+            for (int j = 0; j < i; ++j) {
+                free(table->arrayHash[j]);
+            }
+            *errorCode = -1;
+            return NULL;
+        }
+        table->arrayHash[i]->list = NULL;
+    }
+    return table;
+}
+
+int fastPow(int number, int degree) {
+    if (degree < 0) {
+        return 1.0 / fastPow(number, abs(degree));
+    }
+    if (degree == 0) {
+        return 1;
+    }
+    if (degree % 2 == 0) {
+        const int copyElement = fastPow(number, degree / 2);
+        return copyElement * copyElement;
+    }
+    return fastPow(number, degree - 1) * number;
+}
+
+int hashFunction(char string[], int size) {
+    int result = 0;
+    int simpleNumber = 7;
+    int neededNumber = fastPow(simpleNumber, (int)strlen(string) - 1);
+    for (int i = 0; string[i] != '\0'; ++i) {
+        result += string[i] * neededNumber;
+        neededNumber /= simpleNumber;
+    }
+    return abs(result) % size;
+}
+
+void addToHashTable(HashTable* table, char string[], int* errorCode) {
+    int index = hashFunction(string, table->hashSize);
+    if (table->arrayHash[index]->list == NULL) {
+        table->arrayHash[index]->list = createList(errorCode);
+        if (*errorCode == -1) {
+            return;
+        }
+    }
+    insertToList(table->arrayHash[index]->list, string, errorCode);
+}
+
+void printHashTable(HashTable* table) {
+    if (table == NULL || table->arrayHash == NULL) {
+        return;
+    }
+    for (int i = 0; i < table->hashSize; ++i) {
+        if (table->arrayHash[i]->list != NULL) {
+            printf("%d)", i);
+            printList(table->arrayHash[i]->list);
+        } else {
+            printf("%d)\n", i);
+        }
+    }
+}
+
+void clearHashTable(HashTable* table) {
+    for (int i = 0; i < table->hashSize; ++i) {
+        if (table->arrayHash[i]->list != NULL) {
+            clearList(table->arrayHash[i]->list);
+        }
+    }
+    free(table->arrayHash);
+    free(table);
+    table = NULL;
+}
+
+double fillFactor(HashTable* table) {
+    double busy = 0;
+    for (int i = 0; i < table->hashSize; ++i) {
+        if (table->arrayHash[i]->list != NULL) {
+            ++busy;
+        }
+    }
+    return busy == 0 ? -1 : busy / (double)table->hashSize;
+}
+
+bool ifAllInTableWithoutIdentical(HashTable* table, char** buffer, int sizeBuffer) {
+    if (table == NULL) {
+        if (buffer == NULL) {
+            return true;
+        }
+        return false;
+    }
+    int howMuchInTable = 0;
+    for (int i = 0; i < table->hashSize; ++i) {
+        if (table->arrayHash[i]->list != NULL) {
+            for (int j = 0; j < sizeBuffer; ++j) {
+                if (findStringInList(table->arrayHash[i]->list, buffer[j])) {
+                    ++howMuchInTable;
+                }
+            }
+        }
+    }
+    return howMuchInTable == sizeBuffer;
+}
diff --git a/hashTable/hashTable/hash.h b/hashTable/hashTable/hash.h
@@ -0,0 +1,22 @@
+#pragma once
+#include <stdbool.h>
+
+typedef struct HashTable HashTable;
+
+//Create hash-table
+HashTable* createHashArray(int* errorCode, int size);
+
+//Add to hash-table
+void addToHashTable(HashTable* table, char string[], int* errorCode);
+
+//Print hash-table
+void printHashTable(HashTable* table);
+
+//Clear hash-table
+void clearHashTable(HashTable* table);
+
+//find fill factor hash-table
+double fillFactor(HashTable* table);
+
+//Only for test
+bool ifAllInTableWithoutIdentical(HashTable* table, char** buffer, int sizeBuffer);
diff --git a/hashTable/hashTable/hashTable.vcxproj b/hashTable/hashTable/hashTable.vcxproj
@@ -0,0 +1,158 @@
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@@ -0,0 +1,47 @@
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