Linear Search

#include <stdio.h>
int main() {
    int arr[] = {10,20,30,40,50}, target = 30, n = 5, found = -1;
    for (int i = 0; i < n; i++)
        if (arr[i] == target) { found = i; break; }
    printf("Found at index: %d\n", found);
    return 0;
}