@Manmeet; So {1,2,2,5,5,6} is valid?
Dave
On Dec 9, 9:52 am, Manmeet Singh <mans.aus...@gmail.com> wrote:
> u can also compute sum in 1 iteration along with min, max.
> now max * (max+1) / 2 - min * (min - 1) / 2 = sum
> if it is true then answer is yes
>
>
>
> On Thu, Dec 9, 2010 at 6:00 PM, Terence <technic....@gmail.com> wrote:
> > A[1..N] is Valid <=> max{A[i]} - min{A[i]} == N-1
>
> > On 2010-12-9 20:16, Prims wrote:
>
> >> Given array A with n elements, give an algorithm for finding whether
> >> it’s a valid array or not?
> >> Array is called Valid if all the numbers appearing in A [1...N] are
> >> consecutive numbers.
>
> >> Example: A={5,3,4} is a valid array
> >> A={3,7,5,4,6} is a valid array
>
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