reversing an array

 #include <stdio.h>

void rev( int a[6]);
int main()
{
   
   
    int a[6]={12,34,67,71,87,90};

for(int i=0;i<3;i++)
{
    printf("elements are:%d\n",a[i]);
}
rev(a);
return 0;
}
void rev(int a[3])
{
for(int i=0;i<3;i++)
{
    printf("reverse:%d\n",a[3-i-1]);
}
}

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