Implement of c & its coding programming by sarmad baloch

Implementation in C
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
struct node
{
Int data;
Int key;
Struct node *next;
};
Struct node *head = NULL;
Struct node *current = NULL;
//display the list
Void print List ()
{
Struct node *par = head;
Print ("n [“);
//start from the beginning
While (par! = NULL)
{
Print ("(%d, %d) ", par->key, ptr->data);
Par = par->next;
}
Print (“]");
}
//insert link at the first location
Void insert First (int key, int data)
{

//create a link
Struct node *link = (struct node*) mallow (size of
(struct node));
Link->key = key;
Link->data = data;
//point it to old first node
Link->next = head;
//point first to new first node
Head = link;
}
//delete first item
Struct node* delete First ()
{
//save reference to first link
Struct node *Templin = head;
//mark next to first link as first
Head = head->next;
//return the deleted link
Return Templin;
}
//is list empty
Bolo is Empty ()
{
Return head == NULL;
}
int length()

{
int length = 0;
struct node *current;
for(current = head; current != NULL; current = current-
>next)
{
length++;
}
return length;
}
//find a link with given key
struct node* find(int key){
//start from the first link
struct node* current = head;
//if list is empty
if(head == NULL)
{
return NULL;
}
//navigate through list
while(current->key != key){
//if it is last node
if(current->next == NULL){
return NULL;
}else {
//go to next link
current = current->next;
}

}
//if data found, return the current Link
return current;
}
//delete a link with given key
struct node* delete(int key){
//start from the first link
struct node* current = head;
struct node* previous = NULL;
//if list is empty
if(head == NULL){
return NULL;
}
//navigate through list
while(current->key != key){
//if it is last node
if(current->next == NULL){
return NULL;
}else {
//store reference to current link
previous = current;
//move to next link
}
}
//found a match, update the link
if(current == head) {

//change first to point to next link
head = head->next;
}else {
//bypass the current link
previous->next = current->next;
}
return current;
}
void sort(){
int i, j, k, tempKey, tempData ;
struct node *current;
struct node *next;
int size = length();
k = size ;
for ( i = 0 ; i < size - 1 ; i++, k-- ) {
current = head ;
next = head->next ;
for ( j = 1 ; j < k ; j++ ) {
if ( current->data > next->data ) {
tempData = current->data ;
current->data = next->data;
next->data = tempData ;
tempKey = current->key;
current->key = next->key;
next->key = tempKey;
}

next = next->next;
}
}
}
void reverse(struct node** head_ref) {
struct node* prev = NULL;
struct node* current = *head_ref;
struct node* next;
while (current != NULL) {
next = current->next;
current->next = prev;
prev = current;
current = next;
}
*head_ref = prev;
}
main() {
insertFirst(1,10);
insertFirst(2,20);
insertFirst(3,30);
insertFirst(4,1);
insertFirst(5,40);
insertFirst(6,56);
print("Original List: ");
//print list
printList();

while(!isEmpty()){
struct node *temp = deleteFirst();
print("nDeleted value:");
print("(%d,%d) ",temp->key,temp->data);
}
print("nList after deleting all items: ");
printList();
insertFirst(1,10);
insertFirst(2,20);
insertFirst(3,30);
insertFirst(4,1);
insertFirst(5,40);
insertFirst(6,56);
print("nRestored List: ");
printList();
print("n");
struct node *foundLink = find(4);
if(foundLink != NULL){
print("Element found: ");
print("(%d,%d) ",foundLink->key,foundLink->data);
print("n");
}else {
print("Element not found.");
}
delete(4);
print("List after deleting an item: ");
printList();
print("n");
foundLink = find(4);
if(foundLink != NULL){

print("Element found: ");
print("(%d,%d) ",foundLink->key,foundLink->data);
print("n");
}else {
print("Element not found.");
}
print("n");
sort();
print("List after sorting the data: ");
printList();
reverse(&head);
print("nList after reversing the data: ");
printList();
}
If we compile and run the above program then it would produce
following result −
Output
Original List:
[ (6,56) (5,40) (4,1) (3,30) (2,20) (1,10) ]
Deleted value:(6,56)
Deleted value:(4,1)
List after deleting all items:
[ ]
Restored List:
[ (6,56) (5,40) (4,1) (3,30) (2,20) (1,10) ]
Element found: (4,1)
List after deleting an item:
[ (6,56) (5,40) (3,30) (2,20) (1,10) ]
Element not found.
List after sorting the data:
[ (1,10) (2,20) (3,30) (5,40) (6,56) ]
List after reversing the data:

[ (6,56) (5,40) (3,30) (2,20) (1,10) ]

Implement of c & its coding programming by sarmad baloch

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