Linear Search Algorithm in C

#include<stdio.h>
int main()
{
	int arr[50], size, i, key, found=0;
	
	printf("Enter length of elements : ");
	scanf("%d", &size);
	
	printf("Enter %d elements : \n", size);
	for(i=0 ; i<size ; i++)
	{
		scanf("%d", &arr[i]);
	}
	
	printf("Enter element to be searched :");
	scanf("%d", &key);
	
	for(i=0 ; i<size ; i++)
	{
		if(key == arr[i])
		{
			printf("Element %d found @ loc : %d \n", arr[i], i);
			found=1;
			break;
		}
	}

	if(!found)
		printf("Element not found \n");
	
	return 0;	
};