Hm...Very bad. My programm got AC when i add this code in end program
    if(ncount==5) if(answer==2) answer=0;(ncount-count of stone)
ADMIN READ IT PLEASE
pls repair test!!! add this test for example
6
1 4 5 6 7 9
right answer is 0 {(9+7) and (1+4+5+6)}.
My program failed this test))
thanks for watching/

Edited by author 25.11.2011 00:45

Edited by author 25.11.2011 00:46

I think these tests are to accept the greedy solution; u know, the "beginners" tag is here for a reason

maybe it's right, but problem is very interesting and i want to have right algorithm :)