 :
- -    ;
-   ,   n^2*sqrt(n)     -    .
 :
	       :
- 1  (n<=30; n^5) :  1,2,3
- 2  (n<=80; n^4) :  4,5,6,7,8,9
- 3  (n<=300; n^3) :  10,11,12,13,14,15,16,17,18
- 4  (n<=2048; n^2*logn) :  19,20,21,22,23,24,25,26,27,28,29,30,31,32


