my program output result:

1 1000000000 3 13   -> 84

1 1 2 2 ---> 0

1 100 2 4 ->6

1 300 4 8 ->0

1 400 4 2 ->111

1 2147483647 13 3 --> 77520

1 2147483647 20 2  --> 84672315

1 3 1 2 --> 2

is right?

if full right , but i alway  wa #7,   who can give much testdata to me ?


Edited by author 03.09.2008 10:39

Edited by author 05.09.2008 02:08

all your answers are correct.
tests you asked:
1 8 2 3 --> 1
1 900 2 10 --> 3
1 123456789 4 10 --> 126
1 999999999 8 10 --> 9

Thanks for the test7!!!

Thanks for your test,I'v got AC this problem！

Thanks from me too for the excellent testset!