Linear Search using C

#include<stdio.h>

int main()

{

int ar[10]={3,5,6,4,3,7,8,2,4,6};

int i,num,flag=0;

printf("Enter an element to search");

scanf("%d",&num);

for(i=0;i<10;i++)

{

if(ar[i]==num)

{

flag=1;

printf("Element found at %d",i);

}

}

if(flag==0)

{

printf("Element not found");

}

return 0;

}