/in/foo.cc: In function 'int main()':
/in/foo.cc:13:54: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     if(a[i]!=a[i-1] && a[i]!=a[i+1])printf("%d ",a[i]);
                                                      ^