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Module DEMO-32-106DEMO-C-32

Linear Search

DEMO-C-32 • Programming in C

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Problem Statement

Write a C program to perform a linear search on a 1D array. Input the size n, the array elements, and a target value key. If the key is present, print "FOUND at index i" (where i is the 0-based index of the first occurrence). If not found, print "NOT FOUND".

Example 1

Input:

5 10 20 30 40 50 30

Output:

FOUND at index 2

Example 2

Input:

5 10 20 30 40 50 99

Output:

NOT FOUND

Constraints

1 <= n <= 100

Input Format

n, array, key

Output Format

Search result string

Sample Testcases

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Sample #1
Public sample
Input
5
10 20 30 40 50
30
Output
FOUND at index 2
Explanation
30 is at index 2.
Sample #2
Public sample
Input
5
10 20 30 40 50
99
Output
NOT FOUND
Explanation
99 is not in the list.
Sample #3
Public sample
Input
6
5 10 5 20 5 30
5
Output
FOUND at index 0
Explanation
First occurrence of 5 is at index 0.

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