C :

#include<stdio.h>

int main()
{
	printf("  *\n");
	printf(" * *\n");
	printf("*   *\n");
	printf(" * *\n");
	printf("  *\n");
	return 0;
}

C++ :

#include<stdio.h>

int main()
{
printf("  *\n");
printf(" * *\n");
printf("*   *\n");
printf(" * *\n");
printf("  *\n");

return 0 ;

}

Pascal :

begin
  writeln('  *');
  writeln(' * *');
  writeln('*   *');
  writeln(' * *');
  writeln('  *');
end.