hi i dont know why i got WA for 5 test case ... can anyone say about the test case ...

Edited by author 30.12.2008 21:50

i've got WA5 too, but all tests in this forum are good

PS. I find my mistake:
    5 12 15 9 -> (x2+2x+3)(x2+3x+3)
But now I have WA19 ((

Edited by author 25.04.2012 22:08