Linear Search in C

Linear Search

#include <stdio.h>

int linearSearch(int arr[], int n, int x) {
  for (int i = 0; i < n; i++) {
    if (arr[i] == x) {
      return i; // Found the element at index i
    }
  }
  return -1; // Element not found
}

int main() {
  int arr[] = {2, 3, 4, 10, 40};
  int n = sizeof(arr) / sizeof(arr[0]);
  int x = 10;

  int result = linearSearch(arr, n, x);

  if (result == -1) {
    printf("Element is not present in array\n");
  } else {
    printf("Element is present at index %d\n", result);
  }

  return 0;
}