> Perhaps you didn't take into account the case that there are some numbers of the same value in the input.
> Give you a set of data your code failed to deal with:
> 7 3
> 1 5 1 1 1 2 2
> 1 3 2
> 2 4 1
> 3 7 3
> 
> Correct ans:
> 1
> 1
> 1
> 
> Yours:
> 5
> 1
> -1
> ( vc6.0 c++ )
> 
> Sorry your code is too long for me to read. What's more, I didn't use
> class before. It makes me be afraid of your program.
> :)
>