#1 Updated insert method on Linked List to work with index 0
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@ -51,37 +51,43 @@ namespace Datastructures {
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//Add new node and set to tail.
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//Add new node and set to tail.
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<<<<<<< HEAD:DataStructures/src/linkedlist.h
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mTail->next = std::make_shared<Nodes::LinkedListNode<T>>(value);
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mTail->mNext = std::make_shared<Nodes::LinkedListNode<T>>(value);
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mTail = mTail->next;
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mTail = mTail->mNext;
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}
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}
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template <typename T>
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template <typename T>
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bool LinkedList<T>::insert(T value, int index) {
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bool LinkedList<T>::insert(T value, int index) {
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std::shared_ptr<Nodes::LinkedListNode<T>> node = this->getIndex(index);
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//If node is nullptr, index is out of range
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if (index == 0 || this->mCount == 0)
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if (node == nullptr)
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{//If the new item needs to go into the head of the linked list.
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return false;
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mHead = std::make_shared<Nodes::LinkedListNode<T>>(value, mHead);
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} else {
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//Get the node before the one we are going to be inserting
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std::shared_ptr<Nodes::LinkedListNode<T>> node = this->getIndex(index-1);
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//If node is nullptr, index is out of range
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if (node == nullptr)
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return false;
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node->next = std::make_shared<Nodes::LinkedListNode<T>>(value, node->next);
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}
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//Append the new value into a new node.
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//Append the new value into a new node.
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node->mNext = std::make_shared<Nodes::LinkedListNode<T>>(value, node->mNext);
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mCount++;
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return true;
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}
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}
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template <typename T>
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template <typename T>
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std::shared_ptr<Nodes::LinkedListNode<T>> LinkedList<T>::getIndex(int index) {
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std::shared_ptr<Nodes::LinkedListNode<T>> LinkedList<T>::getIndex(int index) {
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//Check if the value lies within the range of the list.
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//Check if the value lies within the range of the list.
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if (index < 0 || index >= this->count())
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if (index < 0 || index >= this->mCount)
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return nullptr;
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return nullptr;
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std::shared_ptr<Nodes::LinkedListNode<T>> node = mHead;
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std::shared_ptr<Nodes::LinkedListNode<T>> node = mHead;
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for (size_t i = 0; i < index; i++)
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for (size_t i = 0; i < index; i++)
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{//Interate through the linked list i times to get to the index.
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{//Interate through the linked list i times to get to the index.
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node = node->mNext;
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node = node->next;
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}
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}
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return node;
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return node;
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=======
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(*mTail).next = std::make_shared<Nodes::LinkedListNode<T>>(value);
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mTail = (*mTail).next;
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>>>>>>> 700d6696c82b4ea8ba783238ef73b7efc630dd54:DataStructures/src/LinkedList/linkedlist.h
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}
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}
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}
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}
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@ -4,5 +4,5 @@ int main() {
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Datastructures::LinkedList<int> list;
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Datastructures::LinkedList<int> list;
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list.append(5);
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list.append(5);
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list.append(200);
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list.append(200);
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list.insert(20, 0);
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list.insert(20, 2);
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}
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}
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