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Data structures using C,
Write c program to search the linked list.
Linked list is a data structure in which the objects are arranged in a linear order. In this program, we sort the list elements in ascending order. Read more about C Programming Language . and read the C Programming Language (2nd Edition). by K and R.

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#include<stdio.h>
#include<conio.h>
#include<malloc.h>
struct l_list
{
    int info;
    struct link *next;
}
start, *node;

int search(int);
void main()
{
    int no,i,item,pos;
    clrscr();
    start.next=NULL;
    node=&start;
    printf("How many nodes, you want in linked list? ");
    scanf("%d",&no);
    printf("");
    for(i=0;i<no;i++)
    {
        node->next=(struct l_list *)malloc(sizeof(struct l_list));
        printf("Enter element in node %d: ",i+1);
        scanf("%d",&node->info);
        node=node->next;
    }
    node->next=NULL;
    printf("Linked list(only with info field) is:");
    
    node=&start;
    while(node->next!=NULL)
    {
        printf("%d    ",node->info);
        node=node->next;
    }
    printf("
    
    Enter item to be searched : ");
    scanf("%d",&item);
    pos=search(item);
    if(pos<=no)
    printf("Your item is at node %d",pos);
    else
    printf("Sorry! item is no in linked list.a");
    getch();
}

int search(int item)
{
    int n=1;
    node=&start;
    while(node->next!=NULL)
    {
        if(node->info==item)
        break;
        else
        n++;
        node=node->next;
    }
    return n;
}

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/***********************************************************
* You can use all the programs on www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact [email protected]
* To find more C programs, do visit www.c-program-example.com
* and browse!
*
* Happy Coding
***********************************************************/

#include "stdio.h"
#include "stdlib.h"

#define MAX 200

int interpolation_search(int a[], int bottom, int top, int item) {

int mid;
while (bottom <= top) {
mid = bottom + (top - bottom)
* ((item - a[bottom]) / (a[top] - a[bottom]));
if (item == a[mid])
return mid + 1;
if (item < a[mid])
top = mid - 1;
else
bottom = mid + 1;
}
return -1;
}

int main() {
int arr[MAX];
int i, num;
int item, pos;

printf("nEnter total elements (num< %d) : ", MAX);
scanf("%d", &num);

printf("Enter %d Elements : ", num);
for (i = 0; i < num; i++)
scanf("%d", &arr[i]);

printf("nELEMENTS AREn: ");
for (i = 0; i < num; i++)
printf("%dt", arr[i]);

printf("nSearch For : ");
scanf("%d", &item);
pos = interpolation_search(&arr[0], 0, num, item);
if (pos == -1)
printf("nElement %d not foundn", item);
else
printf("nElement %d found at position %dn", item, pos);

return 0;
}

C Program Examples

search in c

C Program to search the linked list.

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