#include
int *arry ( int a[]);
int main ()
{
int a[]={0,1,0,1,1,0,1,0};
int *b =arry(a) ;
int i;
for (i = 0;i<8;i++){
printf ("%d " , a[i]);
}
return 0;
}
int *arry ( int a[])
{
int i;
for (i = 0;i<8;i++){
if (a[i]==0){
a[i]=1;
}
else {
a[i]=0;
}
}
return a;
}