Arrays Linear Search

Search for key Element in an Array using Linear Search

Download the Program

#include<stdio.h>
void main()
{
    int i, j, n, a[100], key;
    printf("\nEnter value of n:");
    scanf("%d", &n);
    printf("\nEnter array elements:");
    for(i=0; i<n; i++)
    {
        scanf("%d", &a[i]);
    }
    printf("\nEnter key:");
    scanf("%d", &key);

    for(i=0; i<n; i++)
    {
            if(a[i] == key)
                break;
    }
    if(i<n)
        printf("\nKey found at position %d", i+1);
    else
        printf("\nNot found");
}

Output:
Enter value of n: 6
Enter array elements: 1  3  2  4  5  1
Enter key: 3
Key found at position 2