i have little doubt in complexity of proposed algo..
aren't we including complexity of heapifying each time. ??


On Wed, Jan 11, 2012 at 2:57 PM, Lucifer <sourabhd2...@gmail.com> wrote:

> @dipit ..
>
> Yup you are correct..
>
> Say, no of rows = M and no. of cols = N,
> Time complexity = sum over all i (1 to M} { N*(M+N-i) }
>                         =  M * N * (M + 2N - 1) /2
>
>
>
> On Jan 11, 2:19 pm, Dipit Grover <dipitgro...@gmail.com> wrote:
> > @Lucifer :  I came up with a similar algorithm as yours but I dont
> > understand your complexity analysis : " sum over all i (1 to M} {
> i*(M+N-i)} " .
> >
> > Shouldnt it be " M * sum over all i(1 to N) {(M+N-i)}  " ? M= no of
> > columns, N= no of rows . Since we always have the min element at the 0th
> > column of the next row for each element of the current row.
>
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