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Stack

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Program #include<iostream> using namespace std; struct node { int data; node *next; }; class ListStack{ node *head; public: ListStack() { head=NULL; } void push(int info) { node *NewNode=new node; NewNode->data=info; NewNode->next=head; head=NewNode; } int pop() { if(IsEmpty()) { cout<<"Underflow occurs "; return NULL; } int info; node *cur=head; info=head->data; head=head->next; delete cur;             return info; } int IsEmpty() { if(head==NULL) return 1; return 0; } }; int main() { ListStack s; s.push(20); cout<<s.pop(); cout<<s.pop(); }
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Operation on Single Linked List

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Program /*  * C++ Program to Implement Singly Linked List  */ #include<iostream> #include<cstdio> #include<cstdlib> using namespace std; /*  * Node Declaration  */ struct node {     int info;     struct node *next; }*start; /*  * Class Declaration  */ class single_llist {     public:         node* create_node(int);         void insert_begin();         void insert_pos();         void insert_last();         void delete_pos();         void sort();         void search();         void update();         void reverse();         void display();         single_llist()         {             start = NULL;   ...
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