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XuhuaHuangXuhuaHuang
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Uploaded source file for linear::single linked list.
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‎SingleLinkedList/SingleLinkedList.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.31624.102
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SingleLinkedList", "SingleLinkedList\SingleLinkedList.vcxproj", "{6605471D-48ED-489E-995D-EB171A5B6186}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{6605471D-48ED-489E-995D-EB171A5B6186}.Debug|x64.ActiveCfg = Debug|x64
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{6605471D-48ED-489E-995D-EB171A5B6186}.Debug|x64.Build.0 = Debug|x64
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{6605471D-48ED-489E-995D-EB171A5B6186}.Debug|x86.ActiveCfg = Debug|Win32
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{6605471D-48ED-489E-995D-EB171A5B6186}.Debug|x86.Build.0 = Debug|Win32
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{6605471D-48ED-489E-995D-EB171A5B6186}.Release|x64.ActiveCfg = Release|x64
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{6605471D-48ED-489E-995D-EB171A5B6186}.Release|x64.Build.0 = Release|x64
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{6605471D-48ED-489E-995D-EB171A5B6186}.Release|x86.Build.0 = Release|Win32
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {6F20498B-7905-4212-9CB0-BDECB24A44B9}
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EndGlobalSection
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EndGlobal

‎SingleLinkedList/SingleLinkedList/SingleLinkedList.vcxproj

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‎SingleLinkedList/SingleLinkedList/SingleLinkedList.vcxproj.filters

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‎SingleLinkedList/SingleLinkedList/src/LinkList.h

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/*****************************************************************//**
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* \file LinkList.h
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* \brief Contains definition on (Single) Linked List in C.
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*
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* \author Xuhua Huang
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* \date September 2021
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*********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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/**
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* In the following implementation, ListNode refers to the type of a Node;
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* LinkList refers to the pointer type pointing ti a linked list.
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* LinkList L; ==> ListNode* L;
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*/
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typedef struct Node
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{
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public:
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int data;
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struct Node* next;
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}ListNode, *LinkList;
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/* Providing basic operation of defined LinkList struct. */
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/* Function to initialize linked list. */
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void InitLinkList(LinkList* head) {
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if ((*head=(LinkList)malloc(sizeof(ListNode))) == NULL)
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exit(-1);
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(*head)->next = nullptr;
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}
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/* Function to determine whether the linked list is empty. */
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int isLinkListEmpty(const LinkList& head) {
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if (head->next == nullptr)
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return 1;
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else
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return 0;
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}
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/* Function to get element by index. */
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ListNode* GetElement(const LinkList& head, int index) {
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if (isLinkListEmpty(head))
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return nullptr;
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else if (index < 1)
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return nullptr;
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ListNode* p = head;
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int j = 0;
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// loop through the list and locate the pointer to index position
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while (p->next != nullptr && j < index)
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{
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p = p->next;
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j++;
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}
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// now p has reached the proper position
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if (j == index)
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return p;
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else
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return nullptr;
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}
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/* Function to get element by content, O(n). */
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ListNode* LocElement(const LinkList& head, int e) {
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ListNode* p = head->next;
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while (p)
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{
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if (p->data != e)
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p = p->next;
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else
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return p;
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}
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}
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/* Function to locate the element by content */
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int GetElementPos(LinkList head, int e) {
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if (isLinkListEmpty(head))
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return 0;
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ListNode* p = head->next;
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int index = 1;
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while (p)
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{
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if (p->data == e)
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return index;
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else {
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p = p->next;
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index++;
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}
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}
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if (!p)
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return 0;
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}
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/* Function to insert an element to the list. */
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int InsertList(LinkList head, int index, int e) {
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ListNode* previous = head;
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ListNode* newNode;
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// loop through the list and locate the pointer to index position
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int j = 0;
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while (previous->next != nullptr && j < index-1)
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{
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previous = previous->next;
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j++;
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}
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// now pointer `previous` has reached the proper position
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// determine the position of j
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if (j != index - 1) {
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printf("ERROR!Illegal insertion position!\n");
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return 0;
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}
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if ((newNode = (ListNode*)malloc(sizeof(ListNode))) == NULL)
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exit(-1);
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newNode->data = e;
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newNode->next = previous->next;
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previous->next = newNode;
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return 1;
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}
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/* Function to delete an element from the list. */
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int DeleteFromList(LinkList head, int index, int* e) {
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/**
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* Delete an element from the linked list.
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*
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* \param head operable linked list pointer
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* \param i index of the element to be deleted
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* \param e memory to store the deleted element
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* \return 0 for failure, 1 for success, exit(-1) for error
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*/
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ListNode* previous = head;
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ListNode* delNode = nullptr;
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// loop through the list and locate the pointer to index position
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int j = 0;
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while (previous->next
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&& previous->next->next
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&& j < index - 1)
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{
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previous = previous->next;
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j++;
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}
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// now pointer `previous` has reached the proper position
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// determine the position of j
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if (j != index - 1) {
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printf("ERROR!Illegal insertion position!\n");
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return 0;
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}
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delNode = previous->next;
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*e = (int)(delNode->data);
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// disconnect the newNode from the previous node
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previous->next = delNode->next;
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free(delNode);
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return 1;
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}
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/* Function to determine the length of a list. */
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int ListLength(LinkList head) {
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ListNode* p = head;
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int count = 0;
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while (p->next != nullptr)
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{
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p = p->next;
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count++;
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}
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return count;
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}
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/* Function to clear a linked list. */
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void DestroyLinkList(LinkList head) {
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ListNode* p = head;
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ListNode* q = nullptr;
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while (p->next)
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{
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q = p;
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p = p->next;
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free(q);
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}
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}

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